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2252425381 is a prime number
BaseRepresentation
bin1000011001000001…
…0100100010100101
312210222100001202021
42012100110202211
514103110103011
61011301143141
7106550204563
oct20620244245
95728301667
102252425381
11a56487588
1252a3baab1
1329b8589ab
14175206a33
15d2b25471
hex864148a5

2252425381 has 2 divisors, whose sum is σ = 2252425382. Its totient is φ = 2252425380.

The previous prime is 2252425379. The next prime is 2252425393. The reversal of 2252425381 is 1835242522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1486796481 + 765628900 = 38559^2 + 27670^2 .

It is a cyclic number.

It is not a de Polignac number, because 2252425381 - 21 = 2252425379 is a prime.

It is a super-2 number, since 2×22524253812 = 10146840193945990322, which contains 22 as substring.

Together with 2252425379, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2252425181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1126212690 + 1126212691.

It is an arithmetic number, because the mean of its divisors is an integer number (1126212691).

Almost surely, 22252425381 is an apocalyptic number.

It is an amenable number.

2252425381 is a deficient number, since it is larger than the sum of its proper divisors (1).

2252425381 is an equidigital number, since it uses as much as digits as its factorization.

2252425381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38400, while the sum is 34.

The square root of 2252425381 is about 47459.7237771144. The cubic root of 2252425381 is about 1310.8413647958.

The spelling of 2252425381 in words is "two billion, two hundred fifty-two million, four hundred twenty-five thousand, three hundred eighty-one".