2521132680 has 64 divisors (see below), whose sum is σ = 8250984000. Its totient is φ = 611183360.

The previous prime is 2521132651. The next prime is 2521132721. The reversal of 2521132680 is 862311252.

It is a super-2 number, since 2×2521132680² = 12712219980327964800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 953655 + ... + 956294.

It is an arithmetic number, because the mean of its divisors is an integer number (128921625).

Almost surely, 2^2521132680 is an apocalyptic number.

2521132680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2521132680 is an abundant number, since it is smaller than the sum of its proper divisors (5729851320).

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

2521132680 is a wasteful number, since it uses less digits than its factorization.

2521132680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1909974 (or 1909970 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 2521132680 is about 50210.8820874519. The cubic root of 2521132680 is about 1361.0222778114.

The spelling of 2521132680 in words is "two billion, five hundred twenty-one million, one hundred thirty-two thousand, six hundred eighty".