157377025 has 27 divisors (see below), whose sum is σ = 212414139. Its totient is φ = 115614720.

The previous prime is 157377001. The next prime is 157377029. The reversal of 157377025 is 520773751.

The square root of 157377025 is 12545.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 13 ways, for example, as 157326849 + 50176 = 12543^2 + 224^2 .

It is not a de Polignac number, because 157377025 - 2⁷ = 157376897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157377029) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 815329 + ... + 815521.

Almost surely, 2^157377025 is an apocalyptic number.

157377025 is the 12545-th square number.

157377025 is the 6273-rd centered octagonal number.

It is an amenable number.

157377025 is a deficient number, since it is larger than the sum of its proper divisors (55037114).

157377025 is an equidigital number, since it uses as much as digits as its factorization.

157377025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422 (or 211 counting only the distinct ones).

The product of its (nonzero) digits is 51450, while the sum is 37.

The cubic root of 157377025 is about 539.9005589639.

The spelling of 157377025 in words is "one hundred fifty-seven million, three hundred seventy-seven thousand, twenty-five".