312500560 has 40 divisors (see below), whose sum is σ = 738486216. Its totient is φ = 122949120.

The previous prime is 312500497. The next prime is 312500569. The reversal of 312500560 is 65005213.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 27836176 + 284664384 = 5276^2 + 16872^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312500569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27139 + ... + 36898.

Almost surely, 2^312500560 is an apocalyptic number.

It is an amenable number.

312500560 is an abundant number, since it is smaller than the sum of its proper divisors (425985656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

312500560 is a wasteful number, since it uses less digits than its factorization.

312500560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64111 (or 64105 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 312500560 is about 17677.6853688485. The cubic root of 312500560 is about 678.6048095015.

Adding to 312500560 its reverse (65005213), we get a palindrome (377505773).

The spelling of 312500560 in words is "three hundred twelve million, five hundred thousand, five hundred sixty".