315305425 has 6 divisors (see below), whose sum is σ = 390978758. Its totient is φ = 252244320.

The previous prime is 315305411. The next prime is 315305449. The reversal of 315305425 is 524503513.

It can be written as a sum of positive squares in 3 ways, for example, as 65918161 + 249387264 = 8119^2 + 15792^2 .

It is not a de Polignac number, because 315305425 - 2²⁵ = 281750993 is a prime.

It is a super-2 number, since 2×315305425² = 198835022068861250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 315305393 and 315305402.

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, 6306084 + ... + 6306133.

Almost surely, 2^315305425 is an apocalyptic number.

It is an amenable number.

315305425 is a deficient number, since it is larger than the sum of its proper divisors (75673333).

315305425 is a wasteful number, since it uses less digits than its factorization.

315305425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12612227 (or 12612222 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 315305425 is about 17756.8416392105. The cubic root of 315305425 is about 680.6290495360.

Adding to 315305425 its reverse (524503513), we get a palindrome (839808938).

The spelling of 315305425 in words is "three hundred fifteen million, three hundred five thousand, four hundred twenty-five".