452042641 has 2 divisors, whose sum is σ = 452042642. Its totient is φ = 452042640.

The previous prime is 452042639. The next prime is 452042677. The reversal of 452042641 is 146240254.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 449270416 + 2772225 = 21196^2 + 1665^2 .

It is a cyclic number.

It is not a de Polignac number, because 452042641 - 2¹ = 452042639 is a prime.

Together with 452042639, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (452042611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 226021320 + 226021321.

It is an arithmetic number, because the mean of its divisors is an integer number (226021321).

Almost surely, 2^452042641 is an apocalyptic number.

It is an amenable number.

452042641 is a deficient number, since it is larger than the sum of its proper divisors (1).

452042641 is an equidigital number, since it uses as much as digits as its factorization.

452042641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 452042641 is about 21261.2944337827. The cubic root of 452042641 is about 767.4671602624.

Adding to 452042641 its reverse (146240254), we get a palindrome (598282895).

The spelling of 452042641 in words is "four hundred fifty-two million, forty-two thousand, six hundred forty-one".