2521062556 has 12 divisors (see below), whose sum is σ = 4412464560. Its totient is φ = 1260358400.

The previous prime is 2521062547. The next prime is 2521062559. The reversal of 2521062556 is 6552601252.

It is a super-2 number, since 2×2521062556² = 12711512822530506272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2521062559) 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, 7045 + ... + 71356.

It is an arithmetic number, because the mean of its divisors is an integer number (367705380).

Almost surely, 2^2521062556 is an apocalyptic number.

It is an amenable number.

2521062556 is a deficient number, since it is larger than the sum of its proper divisors (1891402004).

2521062556 is a wasteful number, since it uses less digits than its factorization.

2521062556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86444 (or 86442 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 34.

The square root of 2521062556 is about 50210.1837877537. The cubic root of 2521062556 is about 1361.0096589844.

The spelling of 2521062556 in words is "two billion, five hundred twenty-one million, sixty-two thousand, five hundred fifty-six".