315252252529 has 2 divisors, whose sum is σ = 315252252530. Its totient is φ = 315252252528.

The previous prime is 315252252509. The next prime is 315252252551. The reversal of 315252252529 is 925252252513.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 216618568929 + 98633683600 = 465423^2 + 314060^2 .

It is a cyclic number.

It is not a de Polignac number, because 315252252529 - 2⁷ = 315252252401 is a prime.

It is not a weakly prime, because it can be changed into another prime (315252252509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157626126264 + 157626126265.

It is an arithmetic number, because the mean of its divisors is an integer number (157626126265).

Almost surely, 2^315252252529 is an apocalyptic number.

It is an amenable number.

315252252529 is a deficient number, since it is larger than the sum of its proper divisors (1).

315252252529 is an equidigital number, since it uses as much as digits as its factorization.

315252252529 is an evil number, because the sum of its binary digits is even.

The product of its digits is 540000, while the sum is 43.

The spelling of 315252252529 in words is "three hundred fifteen billion, two hundred fifty-two million, two hundred fifty-two thousand, five hundred twenty-nine".