165333325 has 6 divisors (see below), whose sum is σ = 205013354. Its totient is φ = 132266640.

The previous prime is 165333319. The next prime is 165333349. The reversal of 165333325 is 523333561.

It can be written as a sum of positive squares in 3 ways, for example, as 9108324 + 156225001 = 3018^2 + 12499^2 .

It is not a de Polignac number, because 165333325 - 2³ = 165333317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3306642 + ... + 3306691.

Almost surely, 2^165333325 is an apocalyptic number.

It is an amenable number.

165333325 is a deficient number, since it is larger than the sum of its proper divisors (39680029).

165333325 is an equidigital number, since it uses as much as digits as its factorization.

165333325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6613343 (or 6613338 counting only the distinct ones).

The product of its digits is 24300, while the sum is 31.

The square root of 165333325 is about 12858.2006906099. The cubic root of 165333325 is about 548.8497448247.

Adding to 165333325 its reverse (523333561), we get a palindrome (688666886).

The spelling of 165333325 in words is "one hundred sixty-five million, three hundred thirty-three thousand, three hundred twenty-five".