2564612134 has 16 divisors (see below), whose sum is σ = 4627872000. Its totient is φ = 1041270984.

The previous prime is 2564612107. The next prime is 2564612143. The reversal of 2564612134 is 4312164652.

It is a self number, because there is not a number n which added to its sum of digits gives 2564612134.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4820434 + ... + 4820965.

It is an arithmetic number, because the mean of its divisors is an integer number (289242000).

Almost surely, 2^2564612134 is an apocalyptic number.

2564612134 is a deficient number, since it is larger than the sum of its proper divisors (2063259866).

2564612134 is a wasteful number, since it uses less digits than its factorization.

2564612134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9641427.

The product of its digits is 34560, while the sum is 34.

The square root of 2564612134 is about 50641.9997038032. Note that the first 3 decimals coincide. The cubic root of 2564612134 is about 1368.8017892903.

Adding to 2564612134 its reverse (4312164652), we get a palindrome (6876776786).

The spelling of 2564612134 in words is "two billion, five hundred sixty-four million, six hundred twelve thousand, one hundred thirty-four".