315365725 has 12 divisors (see below), whose sum is σ = 414057204. Its totient is φ = 237451520.

The previous prime is 315365641. The next prime is 315365731. The reversal of 315365725 is 527563513.

It can be written as a sum of positive squares in 6 ways, for example, as 19456921 + 295908804 = 4411^2 + 17202^2 .

It is not a de Polignac number, because 315365725 - 2¹³ = 315357533 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 370594 + ... + 371443.

It is an arithmetic number, because the mean of its divisors is an integer number (34504767).

Almost surely, 2^315365725 is an apocalyptic number.

It is an amenable number.

315365725 is a deficient number, since it is larger than the sum of its proper divisors (98691479).

315365725 is a wasteful number, since it uses less digits than its factorization.

315365725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742064 (or 742059 counting only the distinct ones).

The product of its digits is 94500, while the sum is 37.

The square root of 315365725 is about 17758.5394951274. The cubic root of 315365725 is about 680.6724353162.

The spelling of 315365725 in words is "three hundred fifteen million, three hundred sixty-five thousand, seven hundred twenty-five".