2521037531 has 2 divisors, whose sum is σ = 2521037532. Its totient is φ = 2521037530.

The previous prime is 2521037527. The next prime is 2521037543. The reversal of 2521037531 is 1357301252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2521037531 - 2² = 2521037527 is a prime.

It is a super-2 number, since 2×2521037531² = 12711260465421151922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2521037494 and 2521037503.

It is not a weakly prime, because it can be changed into another prime (2521037501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1260518765 + 1260518766.

It is an arithmetic number, because the mean of its divisors is an integer number (1260518766).

Almost surely, 2^2521037531 is an apocalyptic number.

2521037531 is a deficient number, since it is larger than the sum of its proper divisors (1).

2521037531 is an equidigital number, since it uses as much as digits as its factorization.

2521037531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 2521037531 is about 50209.9345847015. The cubic root of 2521037531 is about 1361.0051556743.

Adding to 2521037531 its reverse (1357301252), we get a palindrome (3878338783).

The spelling of 2521037531 in words is "two billion, five hundred twenty-one million, thirty-seven thousand, five hundred thirty-one".