2521130501 has 24 divisors (see below), whose sum is σ = 2715768000. Its totient is φ = 2339663040.

The previous prime is 2521130497. The next prime is 2521130537. The reversal of 2521130501 is 1050311252.

It is a happy number.

It is not a de Polignac number, because 2521130501 - 2² = 2521130497 is a prime.

It is a super-2 number, since 2×2521130501² = 12712198006145022002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2521139501) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 4208600 + ... + 4209198.

It is an arithmetic number, because the mean of its divisors is an integer number (113157000).

Almost surely, 2^2521130501 is an apocalyptic number.

It is an amenable number.

2521130501 is a deficient number, since it is larger than the sum of its proper divisors (194637499).

2521130501 is a wasteful number, since it uses less digits than its factorization.

2521130501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 857 (or 838 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 2521130501 is about 50210.8603889637. The cubic root of 2521130501 is about 1361.0218857034.

Adding to 2521130501 its reverse (1050311252), we get a palindrome (3571441753).

The spelling of 2521130501 in words is "two billion, five hundred twenty-one million, one hundred thirty thousand, five hundred one".