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41452381 is a prime number
BaseRepresentation
bin1001111000100…
…0001101011101
32212222222222101
42132020031131
541102434011
64040245101
71012224265
oct236101535
985888871
1041452381
1121442873
1211a70791
138784949
1457107a5
15398c2c1
hex278835d

41452381 has 2 divisors, whose sum is σ = 41452382. Its totient is φ = 41452380.

The previous prime is 41452379. The next prime is 41452403. The reversal of 41452381 is 18325414.

41452381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39000025 + 2452356 = 6245^2 + 1566^2 .

It is a cyclic number.

It is not a de Polignac number, because 41452381 - 21 = 41452379 is a prime.

It is a super-2 number, since 2×414523812 = 3436599781138322, which contains 22 as substring.

Together with 41452379, it forms a pair of twin primes.

It is an alternating number because its digits alternate between even and odd.

It is equal to p2516536 and since 41452381 and 2516536 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41452981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20726190 + 20726191.

It is an arithmetic number, because the mean of its divisors is an integer number (20726191).

Almost surely, 241452381 is an apocalyptic number.

It is an amenable number.

41452381 is a deficient number, since it is larger than the sum of its proper divisors (1).

41452381 is an equidigital number, since it uses as much as digits as its factorization.

41452381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3840, while the sum is 28.

The square root of 41452381 is about 6438.3523513396. The cubic root of 41452381 is about 346.0853059066.

Adding to 41452381 its reverse (18325414), we get a palindrome (59777795).

The spelling of 41452381 in words is "forty-one million, four hundred fifty-two thousand, three hundred eighty-one".