252856159 has 4 divisors (see below), whose sum is σ = 256320016. Its totient is φ = 249392304.

The previous prime is 252856157. The next prime is 252856171. The reversal of 252856159 is 951658252.

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 252856159 - 2¹ = 252856157 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 (252856157) 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, 1731819 + ... + 1731964.

It is an arithmetic number, because the mean of its divisors is an integer number (64080004).

Almost surely, 2^252856159 is an apocalyptic number.

252856159 is a deficient number, since it is larger than the sum of its proper divisors (3463857).

252856159 is an equidigital number, since it uses as much as digits as its factorization.

252856159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3463856.

The product of its digits is 216000, while the sum is 43.

The square root of 252856159 is about 15901.4514746296. The cubic root of 252856159 is about 632.3504697373.

The spelling of 252856159 in words is "two hundred fifty-two million, eight hundred fifty-six thousand, one hundred fifty-nine".