2564523258 has 16 divisors (see below), whose sum is σ = 5595323616. Its totient is φ = 777128240.

The previous prime is 2564523239. The next prime is 2564523263. The reversal of 2564523258 is 8523254652.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19428141 + ... + 19428272.

It is an arithmetic number, because the mean of its divisors is an integer number (349707726).

Almost surely, 2^2564523258 is an apocalyptic number.

2564523258 is an abundant number, since it is smaller than the sum of its proper divisors (3030800358).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2564523258 is a wasteful number, since it uses less digits than its factorization.

2564523258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38856429.

The product of its digits is 576000, while the sum is 42.

The square root of 2564523258 is about 50641.1222032056. The cubic root of 2564523258 is about 1368.7859772783.

The spelling of 2564523258 in words is "two billion, five hundred sixty-four million, five hundred twenty-three thousand, two hundred fifty-eight".