252005881 has 8 divisors (see below), whose sum is σ = 254589824. Its totient is φ = 249434640.

The previous prime is 252005861. The next prime is 252005893. The reversal of 252005881 is 188500252.

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

It is a cyclic number.

It is not a de Polignac number, because 252005881 - 2⁷ = 252005753 is a prime.

It is a super-2 number, since 2×252005881² = 127013928117172322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252005861) 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, 39586 + ... + 45508.

It is an arithmetic number, because the mean of its divisors is an integer number (31823728).

Almost surely, 2^252005881 is an apocalyptic number.

It is an amenable number.

252005881 is a deficient number, since it is larger than the sum of its proper divisors (2583943).

252005881 is a wasteful number, since it uses less digits than its factorization.

252005881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6351.

The product of its (nonzero) digits is 6400, while the sum is 31.

The square root of 252005881 is about 15874.6930993957. The cubic root of 252005881 is about 631.6408732870.

The spelling of 252005881 in words is "two hundred fifty-two million, five thousand, eight hundred eighty-one".