2564531476 has 12 divisors (see below), whose sum is σ = 4833155572. Its totient is φ = 1183629888.

The previous prime is 2564531467. The next prime is 2564531483. The reversal of 2564531476 is 6741354652.

It can be written as a sum of positive squares in 2 ways, for example, as 1642194576 + 922336900 = 40524^2 + 30370^2 .

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24658905 + ... + 24659008.

Almost surely, 2^2564531476 is an apocalyptic number.

2564531476 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2564531476 is a deficient number, since it is larger than the sum of its proper divisors (2268624096).

2564531476 is a wasteful number, since it uses less digits than its factorization.

2564531476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49317930 (or 49317928 counting only the distinct ones).

The product of its digits is 604800, while the sum is 43.

The square root of 2564531476 is about 50641.2033427327. The cubic root of 2564531476 is about 1368.7874393657.

It can be divided in two parts, 25645 and 31476, that added together give a square (57121 = 239²).

The spelling of 2564531476 in words is "two billion, five hundred sixty-four million, five hundred thirty-one thousand, four hundred seventy-six".