525082138 has 48 divisors (see below), whose sum is σ = 977901120. Its totient is φ = 210216384.

The previous prime is 525082093. The next prime is 525082163. The reversal of 525082138 is 831280525.

It is a super-2 number, since 2×525082138² = 551422503293302088, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 133995 + ... + 137857.

It is an arithmetic number, because the mean of its divisors is an integer number (20372940).

Almost surely, 2^525082138 is an apocalyptic number.

525082138 is a deficient number, since it is larger than the sum of its proper divisors (452818982).

525082138 is a wasteful number, since it uses less digits than its factorization.

525082138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3971 (or 3964 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 34.

The square root of 525082138 is about 22914.6708027848. The cubic root of 525082138 is about 806.7563918667.

The spelling of 525082138 in words is "five hundred twenty-five million, eighty-two thousand, one hundred thirty-eight".