2513052521 has 16 divisors (see below), whose sum is σ = 2915481600. Its totient is φ = 2121562368.

The previous prime is 2513052497. The next prime is 2513052533. The reversal of 2513052521 is 1252503152.

It is a cyclic number.

It is not a de Polignac number, because 2513052521 - 2⁶ = 2513052457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2513052121) 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, 410360 + ... + 416438.

It is an arithmetic number, because the mean of its divisors is an integer number (182217600).

Almost surely, 2^2513052521 is an apocalyptic number.

It is an amenable number.

2513052521 is a deficient number, since it is larger than the sum of its proper divisors (402429079).

2513052521 is an equidigital number, since it uses as much as digits as its factorization.

2513052521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6968.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 2513052521 is about 50130.3552849967. The cubic root of 2513052521 is about 1359.5667090358.

Adding to 2513052521 its reverse (1252503152), we get a palindrome (3765555673).

The spelling of 2513052521 in words is "two billion, five hundred thirteen million, fifty-two thousand, five hundred twenty-one".