252920159 has 4 divisors (see below), whose sum is σ = 256121760. Its totient is φ = 249718560.

The previous prime is 252920149. The next prime is 252920179. The reversal of 252920159 is 951029252.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 252920159 - 2⁸ = 252919903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252920149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1600682 + ... + 1600839.

It is an arithmetic number, because the mean of its divisors is an integer number (64030440).

Almost surely, 2^252920159 is an apocalyptic number.

252920159 is a deficient number, since it is larger than the sum of its proper divisors (3201601).

252920159 is an equidigital number, since it uses as much as digits as its factorization.

252920159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3201600.

The product of its (nonzero) digits is 16200, while the sum is 35.

The square root of 252920159 is about 15903.4637422167. The cubic root of 252920159 is about 632.4038162938.

The spelling of 252920159 in words is "two hundred fifty-two million, nine hundred twenty thousand, one hundred fifty-nine".