315039125 has 8 divisors (see below), whose sum is σ = 393168984. Its totient is φ = 252031200.

The previous prime is 315039071. The next prime is 315039139. The reversal of 315039125 is 521930513.

It can be written as a sum of positive squares in 4 ways, for example, as 4468996 + 310570129 = 2114^2 + 17623^2 .

It is a de Polignac number, because none of the positive numbers 2^k-315039125 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1260032 + ... + 1260281.

It is an arithmetic number, because the mean of its divisors is an integer number (49146123).

Almost surely, 2^315039125 is an apocalyptic number.

It is an amenable number.

315039125 is a deficient number, since it is larger than the sum of its proper divisors (78129859).

315039125 is an equidigital number, since it uses as much as digits as its factorization.

315039125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2520328 (or 2520318 counting only the distinct ones).

The product of its (nonzero) digits is 4050, while the sum is 29.

The square root of 315039125 is about 17749.3415370824. The cubic root of 315039125 is about 680.4373808105.

Adding to 315039125 its reverse (521930513), we get a palindrome (836969638).

The spelling of 315039125 in words is "three hundred fifteen million, thirty-nine thousand, one hundred twenty-five".