315224425 has 6 divisors (see below), whose sum is σ = 390878318. Its totient is φ = 252179520.

The previous prime is 315224417. The next prime is 315224447. The reversal of 315224425 is 524422513.

It can be written as a sum of positive squares in 3 ways, for example, as 24760576 + 290463849 = 4976^2 + 17043^2 .

It is not a de Polignac number, because 315224425 - 2³ = 315224417 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 315224393 and 315224402.

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, 6304464 + ... + 6304513.

Almost surely, 2^315224425 is an apocalyptic number.

It is an amenable number.

315224425 is a deficient number, since it is larger than the sum of its proper divisors (75653893).

315224425 is a wasteful number, since it uses less digits than its factorization.

315224425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12608987 (or 12608982 counting only the distinct ones).

The product of its digits is 9600, while the sum is 28.

The square root of 315224425 is about 17754.5606816953. The cubic root of 315224425 is about 680.5707614231.

Adding to 315224425 its reverse (524422513), we get a palindrome (839646938).

The spelling of 315224425 in words is "three hundred fifteen million, two hundred twenty-four thousand, four hundred twenty-five".