315135245225 has 6 divisors (see below), whose sum is σ = 390767704110. Its totient is φ = 252108196160.

The previous prime is 315135245207. The next prime is 315135245231. The reversal of 315135245225 is 522542531513.

It can be written as a sum of positive squares in 3 ways, for example, as 51823611904 + 263311633321 = 227648^2 + 513139^2 .

It is not a de Polignac number, because 315135245225 - 2²⁰ = 315134196649 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6302704880 + ... + 6302704929.

It is an arithmetic number, because the mean of its divisors is an integer number (65127950685).

Almost surely, 2^315135245225 is an apocalyptic number.

It is an amenable number.

315135245225 is a deficient number, since it is larger than the sum of its proper divisors (75632458885).

315135245225 is a wasteful number, since it uses less digits than its factorization.

315135245225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12605409819 (or 12605409814 counting only the distinct ones).

The product of its digits is 180000, while the sum is 38.

Adding to 315135245225 its reverse (522542531513), we get a palindrome (837677776738).

The spelling of 315135245225 in words is "three hundred fifteen billion, one hundred thirty-five million, two hundred forty-five thousand, two hundred twenty-five".