315854225 has 12 divisors (see below), whose sum is σ = 405165660. Its totient is φ = 243969600.

The previous prime is 315854197. The next prime is 315854249. The reversal of 315854225 is 522458513.

It can be written as a sum of positive squares in 6 ways, for example, as 53640976 + 262213249 = 7324^2 + 16193^2 .

It is not a de Polignac number, because 315854225 - 2²² = 311659921 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 217106 + ... + 218555.

It is an arithmetic number, because the mean of its divisors is an integer number (33763805).

Almost surely, 2^315854225 is an apocalyptic number.

It is an amenable number.

315854225 is a deficient number, since it is larger than the sum of its proper divisors (89311435).

315854225 is a wasteful number, since it uses less digits than its factorization.

315854225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435700 (or 435695 counting only the distinct ones).

The product of its digits is 48000, while the sum is 35.

The square root of 315854225 is about 17772.2881194291. The cubic root of 315854225 is about 681.0237067885.

The spelling of 315854225 in words is "three hundred fifteen million, eight hundred fifty-four thousand, two hundred twenty-five".