315047521225 has 6 divisors (see below), whose sum is σ = 390658926350. Its totient is φ = 252038016960.

The previous prime is 315047521219. The next prime is 315047521307. The reversal of 315047521225 is 522125740513.

It can be written as a sum of positive squares in 3 ways, for example, as 35856144 + 315011665081 = 5988^2 + 561259^2 .

It is not a de Polignac number, because 315047521225 - 2⁷ = 315047521097 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, 6300950400 + ... + 6300950449.

Almost surely, 2^315047521225 is an apocalyptic number.

It is an amenable number.

315047521225 is a deficient number, since it is larger than the sum of its proper divisors (75611405125).

315047521225 is a wasteful number, since it uses less digits than its factorization.

315047521225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12601900859 (or 12601900854 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 37.

The spelling of 315047521225 in words is "three hundred fifteen billion, forty-seven million, five hundred twenty-one thousand, two hundred twenty-five".