2513695261 has 24 divisors (see below), whose sum is σ = 3162216512. Its totient is φ = 1955923200.

The previous prime is 2513695211. The next prime is 2513695279. The reversal of 2513695261 is 1625963152.

It is not a de Polignac number, because 2513695261 - 2⁷ = 2513695133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2513695211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 746221 + ... + 749581.

Almost surely, 2^2513695261 is an apocalyptic number.

It is an amenable number.

2513695261 is a deficient number, since it is larger than the sum of its proper divisors (648521251).

2513695261 is a wasteful number, since it uses less digits than its factorization.

2513695261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4273 (or 4262 counting only the distinct ones).

The product of its digits is 97200, while the sum is 40.

The square root of 2513695261 is about 50136.7655618110. The cubic root of 2513695261 is about 1359.6826070537.

The spelling of 2513695261 in words is "two billion, five hundred thirteen million, six hundred ninety-five thousand, two hundred sixty-one".