2512708681 has 24 divisors (see below), whose sum is σ = 3134142720. Its totient is φ = 2001347712.

The previous prime is 2512708547. The next prime is 2512708711. The reversal of 2512708681 is 1868072152.

It is not a de Polignac number, because 2512708681 - 2¹⁹ = 2512184393 is a prime.

It is a super-2 number, since 2×2512708681² = 12627409831145519522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2512703681) 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, 46716 + ... + 84898.

It is an arithmetic number, because the mean of its divisors is an integer number (130589280).

Almost surely, 2^2512708681 is an apocalyptic number.

It is an amenable number.

2512708681 is a deficient number, since it is larger than the sum of its proper divisors (621434039).

2512708681 is a wasteful number, since it uses less digits than its factorization.

2512708681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38293 (or 38286 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 40.

The square root of 2512708681 is about 50126.9257086449. The cubic root of 2512708681 is about 1359.5047001528.

The spelling of 2512708681 in words is "two billion, five hundred twelve million, seven hundred eight thousand, six hundred eighty-one".