2491486525 has 12 divisors (see below), whose sum is σ = 3370302144. Its totient is φ = 1811990000.

The previous prime is 2491486519. The next prime is 2491486553. The reversal of 2491486525 is 5256841942.

It is not a de Polignac number, because 2491486525 - 2¹⁷ = 2491355453 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4529701 + ... + 4530250.

It is an arithmetic number, because the mean of its divisors is an integer number (280858512).

Almost surely, 2^2491486525 is an apocalyptic number.

2491486525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2491486525 is a deficient number, since it is larger than the sum of its proper divisors (878815619).

2491486525 is a wasteful number, since it uses less digits than its factorization.

2491486525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9059972 (or 9059967 counting only the distinct ones).

The product of its digits is 691200, while the sum is 46.

The square root of 2491486525 is about 49914.7926470701. The cubic root of 2491486525 is about 1355.6664477560. Note that the first 3 decimals are identical.

The spelling of 2491486525 in words is "two billion, four hundred ninety-one million, four hundred eighty-six thousand, five hundred twenty-five".