312625563 has 16 divisors (see below), whose sum is σ = 464584320. Its totient is φ = 185832576.

The previous prime is 312625561. The next prime is 312625619. The reversal of 312625563 is 365526213.

It is not a de Polignac number, because 312625563 - 2¹ = 312625561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (312625561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160345 + ... + 162282.

It is an arithmetic number, because the mean of its divisors is an integer number (29036520).

Almost surely, 2^312625563 is an apocalyptic number.

312625563 is a deficient number, since it is larger than the sum of its proper divisors (151958757).

312625563 is a wasteful number, since it uses less digits than its factorization.

312625563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322666.

The product of its digits is 32400, while the sum is 33.

The square root of 312625563 is about 17681.2206309406. The cubic root of 312625563 is about 678.6952800902.

The spelling of 312625563 in words is "three hundred twelve million, six hundred twenty-five thousand, five hundred sixty-three".