2521263164 has 12 divisors (see below), whose sum is σ = 5042526384. Its totient is φ = 1080541344.

The previous prime is 2521263133. The next prime is 2521263169. The reversal of 2521263164 is 4613621252.

2521263164 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

2521263164 is an admirable number.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 2521263164.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2521263169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45022529 + ... + 45022584.

It is an arithmetic number, because the mean of its divisors is an integer number (420210532).

Almost surely, 2^2521263164 is an apocalyptic number.

It is an amenable number.

2521263164 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2521263164 is a wasteful number, since it uses less digits than its factorization.

2521263164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90045124 (or 90045122 counting only the distinct ones).

The product of its digits is 17280, while the sum is 32.

The square root of 2521263164 is about 50212.1814304059. The cubic root of 2521263164 is about 1361.0457578089.

The spelling of 2521263164 in words is "two billion, five hundred twenty-one million, two hundred sixty-three thousand, one hundred sixty-four".