312415025 has 12 divisors (see below), whose sum is σ = 417194652. Its totient is φ = 230706240.

The previous prime is 312414997. The next prime is 312415027. The reversal of 312415025 is 520514213.

It can be written as a sum of positive squares in 6 ways, for example, as 53333809 + 259081216 = 7303^2 + 16096^2 .

It is not a de Polignac number, because 312415025 - 2¹² = 312410929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312415027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 480314 + ... + 480963.

It is an arithmetic number, because the mean of its divisors is an integer number (34766221).

Almost surely, 2^312415025 is an apocalyptic number.

It is an amenable number.

312415025 is a deficient number, since it is larger than the sum of its proper divisors (104779627).

312415025 is a wasteful number, since it uses less digits than its factorization.

312415025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961300 (or 961295 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 312415025 is about 17675.2659103053. The cubic root of 312415025 is about 678.5428898695.

Adding to 312415025 its reverse (520514213), we get a palindrome (832929238).

The spelling of 312415025 in words is "three hundred twelve million, four hundred fifteen thousand, twenty-five".