2521252215 has 96 divisors (see below), whose sum is σ = 4707456000. Its totient is φ = 1244595456.

The previous prime is 2521252171. The next prime is 2521252229. The reversal of 2521252215 is 5122521252.

It is a happy number.

2521252215 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 2521252215 - 2⁸ = 2521251959 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 11009721 + ... + 11009949.

It is an arithmetic number, because the mean of its divisors is an integer number (49036000).

Almost surely, 2^2521252215 is an apocalyptic number.

2521252215 is a deficient number, since it is larger than the sum of its proper divisors (2186203785).

2521252215 is a wasteful number, since it uses less digits than its factorization.

2521252215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501 (or 498 counting only the distinct ones).

The product of its digits is 4000, while the sum is 27.

The square root of 2521252215 is about 50212.0724029590. The cubic root of 2521252215 is about 1361.0437876177.

Adding to 2521252215 its reverse (5122521252), we get a palindrome (7643773467).

The spelling of 2521252215 in words is "two billion, five hundred twenty-one million, two hundred fifty-two thousand, two hundred fifteen".