252892912609 has 2 divisors, whose sum is σ = 252892912610. Its totient is φ = 252892912608.

The previous prime is 252892912603. The next prime is 252892912673. The reversal of 252892912609 is 906219298252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 167236013025 + 85656899584 = 408945^2 + 292672^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252892912609 is a prime.

It is a super-2 number, since 2×252892912609² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 252892912609.

It is not a weakly prime, because it can be changed into another prime (252892912603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126446456304 + 126446456305.

It is an arithmetic number, because the mean of its divisors is an integer number (126446456305).

Almost surely, 2^252892912609 is an apocalyptic number.

It is an amenable number.

252892912609 is a deficient number, since it is larger than the sum of its proper divisors (1).

252892912609 is an equidigital number, since it uses as much as digits as its factorization.

252892912609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2799360, while the sum is 55.

The spelling of 252892912609 in words is "two hundred fifty-two billion, eight hundred ninety-two million, nine hundred twelve thousand, six hundred nine".