2521245532 has 24 divisors (see below), whose sum is σ = 4780744976. Its totient is φ = 1156508928.

The previous prime is 2521245521. The next prime is 2521245557. The reversal of 2521245532 is 2355421252.

2521245532 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2521245494 and 2521245503.

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, 140253 + ... + 157204.

Almost surely, 2^2521245532 is an apocalyptic number.

It is an amenable number.

2521245532 is a deficient number, since it is larger than the sum of its proper divisors (2259499444).

2521245532 is a wasteful number, since it uses less digits than its factorization.

2521245532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297637 (or 297635 counting only the distinct ones).

The product of its digits is 24000, while the sum is 31.

The square root of 2521245532 is about 50212.0058551737. The cubic root of 2521245532 is about 1361.0425850587.

Adding to 2521245532 its reverse (2355421252), we get a palindrome (4876666784).

The spelling of 2521245532 in words is "two billion, five hundred twenty-one million, two hundred forty-five thousand, five hundred thirty-two".