2512539013 has 4 divisors (see below), whose sum is σ = 2555124480. Its totient is φ = 2469953548.

The previous prime is 2512538971. The next prime is 2512539017. The reversal of 2512539013 is 3109352152.

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 2512539013 - 2²⁵ = 2478984581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2512539017) 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, 21292645 + ... + 21292762.

It is an arithmetic number, because the mean of its divisors is an integer number (638781120).

Almost surely, 2^2512539013 is an apocalyptic number.

It is an amenable number.

2512539013 is a deficient number, since it is larger than the sum of its proper divisors (42585467).

2512539013 is an equidigital number, since it uses as much as digits as its factorization.

2512539013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42585466.

The product of its (nonzero) digits is 8100, while the sum is 31.

The square root of 2512539013 is about 50125.2332962152. The cubic root of 2512539013 is about 1359.4740997577.

The spelling of 2512539013 in words is "two billion, five hundred twelve million, five hundred thirty-nine thousand, thirteen".