2521331252 has 24 divisors (see below), whose sum is σ = 4895039520. Its totient is φ = 1126633760.

The previous prime is 2521331249. The next prime is 2521331279.

It is a happy number.

2521331252 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×2521331252² = 12714222564623775008, which contains 22 as substring.

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, 483023 + ... + 488214.

It is an arithmetic number, because the mean of its divisors is an integer number (203959980).

Almost surely, 2^2521331252 is an apocalyptic number.

2521331252 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2521331252 is a deficient number, since it is larger than the sum of its proper divisors (2373708268).

2521331252 is a wasteful number, since it uses less digits than its factorization.

2521331252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 971311 (or 971309 counting only the distinct ones).

The product of its digits is 3600, while the sum is 26.

The square root of 2521331252 is about 50212.8594286364. The cubic root of 2521331252 is about 1361.0580096107.

It can be divided in two parts, 25213 and 31252, that added together give a palindrome (56465).

The spelling of 2521331252 in words is "two billion, five hundred twenty-one million, three hundred thirty-one thousand, two hundred fifty-two".