2521542364 has 24 divisors (see below), whose sum is σ = 5067216000. Its totient is φ = 1085831280.

The previous prime is 2521542343. The next prime is 2521542389. The reversal of 2521542364 is 4632451252.

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, 1507264 + ... + 1508935.

It is an arithmetic number, because the mean of its divisors is an integer number (211134000).

Almost surely, 2^2521542364 is an apocalyptic number.

It is an amenable number.

2521542364 is an abundant number, since it is smaller than the sum of its proper divisors (2545673636).

2521542364 is a wasteful number, since it uses less digits than its factorization.

2521542364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3016233 (or 3016231 counting only the distinct ones).

The product of its digits is 57600, while the sum is 34.

The square root of 2521542364 is about 50214.9615552974. The cubic root of 2521542364 is about 1361.0959958476.

The spelling of 2521542364 in words is "two billion, five hundred twenty-one million, five hundred forty-two thousand, three hundred sixty-four".