312412564 has 6 divisors (see below), whose sum is σ = 546721994. Its totient is φ = 156206280.

The previous prime is 312412561. The next prime is 312412577. The reversal of 312412564 is 465214213.

It can be written as a sum of positive squares in only one way, i.e., 262116100 + 50296464 = 16190^2 + 7092^2 .

It is a super-2 number, since 2×312412564² = 195203220290108192, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312412561) 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 as a sum of consecutive naturals, namely, 39051567 + ... + 39051574.

Almost surely, 2^312412564 is an apocalyptic number.

It is an amenable number.

312412564 is a deficient number, since it is larger than the sum of its proper divisors (234309430).

312412564 is a wasteful number, since it uses less digits than its factorization.

312412564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78103145 (or 78103143 counting only the distinct ones).

The product of its digits is 5760, while the sum is 28.

The square root of 312412564 is about 17675.1962931109. The cubic root of 312412564 is about 678.5411081601.

Adding to 312412564 its reverse (465214213), we get a palindrome (777626777).

The spelling of 312412564 in words is "three hundred twelve million, four hundred twelve thousand, five hundred sixty-four".