2521787460 has 48 divisors (see below), whose sum is σ = 7225221696. Its totient is φ = 656836992.

The previous prime is 2521787441. The next prime is 2521787461. The reversal of 2521787460 is 647871252.

It is not an unprimeable number, because it can be changed into a prime (2521787461) 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, 486139 + ... + 491298.

It is an arithmetic number, because the mean of its divisors is an integer number (150525452).

Almost surely, 2^2521787460 is an apocalyptic number.

2521787460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2521787460 is an abundant number, since it is smaller than the sum of its proper divisors (4703434236).

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

2521787460 is a wasteful number, since it uses less digits than its factorization.

2521787460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 977492 (or 977490 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 42.

The square root of 2521787460 is about 50217.4019638611. The cubic root of 2521787460 is about 1361.1400943038.

The spelling of 2521787460 in words is "two billion, five hundred twenty-one million, seven hundred eighty-seven thousand, four hundred sixty".