499881525 has 96 divisors (see below), whose sum is σ = 981270528. Its totient is φ = 221356800.

The previous prime is 499881511. The next prime is 499881587. The reversal of 499881525 is 525188994.

It is not a de Polignac number, because 499881525 - 2⁶ = 499881461 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1361892 + ... + 1362258.

It is an arithmetic number, because the mean of its divisors is an integer number (10221568).

Almost surely, 2^499881525 is an apocalyptic number.

It is an amenable number.

499881525 is a deficient number, since it is larger than the sum of its proper divisors (481389003).

499881525 is a wasteful number, since it uses less digits than its factorization.

499881525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531 (or 526 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 51.

The square root of 499881525 is about 22358.0304365121. The cubic root of 499881525 is about 793.6378319188.

The spelling of 499881525 in words is "four hundred ninety-nine million, eight hundred eighty-one thousand, five hundred twenty-five".