2312515684 has 6 divisors (see below), whose sum is σ = 4046902454. Its totient is φ = 1156257840.

The previous prime is 2312515613. The next prime is 2312515687. The reversal of 2312515684 is 4865152132.

It can be written as a sum of positive squares in only one way, i.e., 1554724900 + 757790784 = 39430^2 + 27528^2 .

It is not an unprimeable number, because it can be changed into a prime (2312515687) 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, 289064457 + ... + 289064464.

Almost surely, 2^2312515684 is an apocalyptic number.

It is an amenable number.

2312515684 is a deficient number, since it is larger than the sum of its proper divisors (1734386770).

2312515684 is a wasteful number, since it uses less digits than its factorization.

2312515684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578128925 (or 578128923 counting only the distinct ones).

The product of its digits is 57600, while the sum is 37.

The square root of 2312515684 is about 48088.6232283687. The cubic root of 2312515684 is about 1322.3961077760.

It can be divided in two parts, 23125 and 15684, that added together give a square (38809 = 197²).

The spelling of 2312515684 in words is "two billion, three hundred twelve million, five hundred fifteen thousand, six hundred eighty-four".