315251425 has 12 divisors (see below), whose sum is σ = 394568496. Its totient is φ = 249842000.

The previous prime is 315251423. The next prime is 315251467. The reversal of 315251425 is 524152513.

It is not a de Polignac number, because 315251425 - 2¹ = 315251423 is a prime.

It is a super-3 number, since 3×315251425³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 315251393 and 315251402.

It is not an unprimeable number, because it can be changed into a prime (315251423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56251 + ... + 61600.

It is an arithmetic number, because the mean of its divisors is an integer number (32880708).

Almost surely, 2^315251425 is an apocalyptic number.

It is an amenable number.

315251425 is a deficient number, since it is larger than the sum of its proper divisors (79317071).

315251425 is a wasteful number, since it uses less digits than its factorization.

315251425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117968 (or 117963 counting only the distinct ones).

The product of its digits is 6000, while the sum is 28.

The square root of 315251425 is about 17755.3210334254. The cubic root of 315251425 is about 680.5901919034.

The spelling of 315251425 in words is "three hundred fifteen million, two hundred fifty-one thousand, four hundred twenty-five".