2513411521 has 4 divisors (see below), whose sum is σ = 2594489344. Its totient is φ = 2432333700.

The previous prime is 2513411513. The next prime is 2513411539. The reversal of 2513411521 is 1251143152.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2513411521 - 2³ = 2513411513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2513418521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40538865 + ... + 40538926.

It is an arithmetic number, because the mean of its divisors is an integer number (648622336).

Almost surely, 2^2513411521 is an apocalyptic number.

It is an amenable number.

2513411521 is a deficient number, since it is larger than the sum of its proper divisors (81077823).

2513411521 is an equidigital number, since it uses as much as digits as its factorization.

2513411521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81077822.

The product of its digits is 1200, while the sum is 25.

The square root of 2513411521 is about 50133.9358219560. The cubic root of 2513411521 is about 1359.6314458721.

Adding to 2513411521 its reverse (1251143152), we get a palindrome (3764554673).

The spelling of 2513411521 in words is "two billion, five hundred thirteen million, four hundred eleven thousand, five hundred twenty-one".