252960891 has 8 divisors (see below), whose sum is σ = 343645200. Its totient is φ = 165458592.

The previous prime is 252960887. The next prime is 252960941. The reversal of 252960891 is 198069252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 252960891 - 2² = 252960887 is a prime.

It is not an unprimeable number, because it can be changed into a prime (252960821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 795316 + ... + 795633.

It is an arithmetic number, because the mean of its divisors is an integer number (42955650).

Almost surely, 2^252960891 is an apocalyptic number.

252960891 is a deficient number, since it is larger than the sum of its proper divisors (90684309).

252960891 is a wasteful number, since it uses less digits than its factorization.

252960891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1591005.

The product of its (nonzero) digits is 77760, while the sum is 42.

The square root of 252960891 is about 15904.7442921916. The cubic root of 252960891 is about 632.4377633566.

The spelling of 252960891 in words is "two hundred fifty-two million, nine hundred sixty thousand, eight hundred ninety-one".