2571513612 has 48 divisors (see below), whose sum is σ = 6250675200. Its totient is φ = 821897280.

The previous prime is 2571513611. The next prime is 2571513629. The reversal of 2571513612 is 2163151752.

It is a super-2 number, since 2×2571513612² = 13225364513402573088, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2571513611) 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, 8839 + ... + 72257.

It is an arithmetic number, because the mean of its divisors is an integer number (130222400).

Almost surely, 2^2571513612 is an apocalyptic number.

It is an amenable number.

2571513612 is an abundant number, since it is smaller than the sum of its proper divisors (3679161588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2571513612 is a wasteful number, since it uses less digits than its factorization.

2571513612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63566 (or 63564 counting only the distinct ones).

The product of its digits is 12600, while the sum is 33.

The square root of 2571513612 is about 50710.0937881207. The cubic root of 2571513612 is about 1370.0285237459.

The spelling of 2571513612 in words is "two billion, five hundred seventy-one million, five hundred thirteen thousand, six hundred twelve".