165262025 has 12 divisors (see below), whose sum is σ = 205195200. Its totient is φ = 132035280.

The previous prime is 165261991. The next prime is 165262037. The reversal of 165262025 is 520262561.

It is not a de Polignac number, because 165262025 - 2⁸ = 165261769 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17036 + ... + 24914.

It is an arithmetic number, because the mean of its divisors is an integer number (17099600).

Almost surely, 2^165262025 is an apocalyptic number.

It is an amenable number.

165262025 is a deficient number, since it is larger than the sum of its proper divisors (39933175).

165262025 is an equidigital number, since it uses as much as digits as its factorization.

165262025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8728 (or 8723 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 165262025 is about 12855.4278419662. The cubic root of 165262025 is about 548.7708363257.

The spelling of 165262025 in words is "one hundred sixty-five million, two hundred sixty-two thousand, twenty-five".