2521230713 has 16 divisors (see below), whose sum is σ = 2780997120. Its totient is φ = 2275257600.

The previous prime is 2521230709. The next prime is 2521230731. The reversal of 2521230713 is 3170321252.

It is a cyclic number.

It is not a de Polignac number, because 2521230713 - 2² = 2521230709 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2521230743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35498 + ... + 79388.

It is an arithmetic number, because the mean of its divisors is an integer number (173812320).

Almost surely, 2^2521230713 is an apocalyptic number.

It is an amenable number.

2521230713 is a deficient number, since it is larger than the sum of its proper divisors (259766407).

2521230713 is a wasteful number, since it uses less digits than its factorization.

2521230713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44048.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 2521230713 is about 50211.8582906468. The cubic root of 2521230713 is about 1361.0399184759.

Adding to 2521230713 its reverse (3170321252), we get a palindrome (5691551965).

The spelling of 2521230713 in words is "two billion, five hundred twenty-one million, two hundred thirty thousand, seven hundred thirteen".