157880525 has 24 divisors (see below), whose sum is σ = 216173664. Its totient is φ = 113422400.

The previous prime is 157880521. The next prime is 157880561. The reversal of 157880525 is 525088751.

157880525 = 2501² + 2502² + ... + 2525².

It is not a de Polignac number, because 157880525 - 2² = 157880521 is a prime.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157880521) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19367 + ... + 26283.

It is an arithmetic number, because the mean of its divisors is an integer number (9007236).

Almost surely, 2^157880525 is an apocalyptic number.

It is an amenable number.

157880525 is a deficient number, since it is larger than the sum of its proper divisors (58293139).

157880525 is a wasteful number, since it uses less digits than its factorization.

157880525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7021 (or 7016 counting only the distinct ones).

The product of its (nonzero) digits is 112000, while the sum is 41.

The square root of 157880525 is about 12565.0517308923. The cubic root of 157880525 is about 540.4757181913.

The spelling of 157880525 in words is "one hundred fifty-seven million, eight hundred eighty thousand, five hundred twenty-five".