2521502025 has 72 divisors (see below), whose sum is σ = 5006179584. Its totient is φ = 1115452800.

The previous prime is 2521501993. The next prime is 2521502051. The reversal of 2521502025 is 5202051252.

It is not a de Polignac number, because 2521502025 - 2⁵ = 2521501993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2521501986 and 2521502004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 102859 + ... + 124991.

It is an arithmetic number, because the mean of its divisors is an integer number (69530272).

Almost surely, 2^2521502025 is an apocalyptic number.

2521502025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2521502025 is a deficient number, since it is larger than the sum of its proper divisors (2484677559).

2521502025 is a wasteful number, since it uses less digits than its factorization.

2521502025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22191 (or 22179 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 2521502025 is about 50214.5598905337. The cubic root of 2521502025 is about 1361.0887376519.

Adding to 2521502025 its reverse (5202051252), we get a palindrome (7723553277).

The spelling of 2521502025 in words is "two billion, five hundred twenty-one million, five hundred two thousand, twenty-five".