2564236875 has 20 divisors (see below), whose sum is σ = 4272363656. Its totient is φ = 1367592000.

The previous prime is 2564236861. The next prime is 2564236879. The reversal of 2564236875 is 5786324652.

2564236875 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2564236875 - 2¹² = 2564232779 is a prime.

It is a super-2 number, since 2×2564236875² = 13150621502219531250, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2564236879) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 681922 + ... + 685671.

Almost surely, 2^2564236875 is an apocalyptic number.

2564236875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2564236875 is a deficient number, since it is larger than the sum of its proper divisors (1708126781).

2564236875 is an equidigital number, since it uses as much as digits as its factorization.

2564236875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1367616 (or 1367601 counting only the distinct ones).

The product of its digits is 2419200, while the sum is 48.

The square root of 2564236875 is about 50638.2945506659. The cubic root of 2564236875 is about 1368.7350241267.

The spelling of 2564236875 in words is "two billion, five hundred sixty-four million, two hundred thirty-six thousand, eight hundred seventy-five".