315042125 has 32 divisors (see below), whose sum is σ = 405450240. Its totient is φ = 244296000.

The previous prime is 315042103. The next prime is 315042127. The reversal of 315042125 is 521240513.

It is not a de Polignac number, because 315042125 - 2⁶ = 315042061 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 315042125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315042127) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 602114 + ... + 602636.

It is an arithmetic number, because the mean of its divisors is an integer number (12670320).

Almost surely, 2^315042125 is an apocalyptic number.

It is an amenable number.

315042125 is a deficient number, since it is larger than the sum of its proper divisors (90408115).

315042125 is an equidigital number, since it uses as much as digits as its factorization.

315042125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678 (or 668 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 315042125 is about 17749.4260470585. The cubic root of 315042125 is about 680.4395406540.

Adding to 315042125 its reverse (521240513), we get a palindrome (836282638).

The spelling of 315042125 in words is "three hundred fifteen million, forty-two thousand, one hundred twenty-five".