165273925 has 24 divisors (see below), whose sum is σ = 210800000. Its totient is φ = 128494080.

The previous prime is 165273917. The next prime is 165273943. The reversal of 165273925 is 529372561.

165273925 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 165273925 - 2³ = 165273917 is a prime.

Its product of digits (113400) is a multiple of the sum of its prime divisors (1400).

It is a congruent number.

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, 131701 + ... + 132949.

Almost surely, 2^165273925 is an apocalyptic number.

It is an amenable number.

165273925 is a deficient number, since it is larger than the sum of its proper divisors (45526075).

165273925 is a wasteful number, since it uses less digits than its factorization.

165273925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1405 (or 1400 counting only the distinct ones).

The product of its digits is 113400, while the sum is 40.

The square root of 165273925 is about 12855.8906731506. The cubic root of 165273925 is about 548.7840077650.

The spelling of 165273925 in words is "one hundred sixty-five million, two hundred seventy-three thousand, nine hundred twenty-five".