312412563 has 24 divisors (see below), whose sum is σ = 468951600. Its totient is φ = 200176704.

The previous prime is 312412561. The next prime is 312412577. The reversal of 312412563 is 365214213.

It is not a de Polignac number, because 312412563 - 2¹ = 312412561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (312412561) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57156 + ... + 62382.

It is an arithmetic number, because the mean of its divisors is an integer number (19539650).

Almost surely, 2^312412563 is an apocalyptic number.

312412563 is a deficient number, since it is larger than the sum of its proper divisors (156539037).

312412563 is a wasteful number, since it uses less digits than its factorization.

312412563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5491 (or 5488 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 312412563 is about 17675.1962648226. The cubic root of 312412563 is about 678.5411074361.

Adding to 312412563 its reverse (365214213), we get a palindrome (677626776).

The spelling of 312412563 in words is "three hundred twelve million, four hundred twelve thousand, five hundred sixty-three".