252405955 has 4 divisors (see below), whose sum is σ = 302887152. Its totient is φ = 201924760.

The previous prime is 252405949. The next prime is 252405961. The reversal of 252405955 is 559504252.

252405955 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an interprime number because it is at equal distance from previous prime (252405949) and next prime (252405961).

It is not a de Polignac number, because 252405955 - 2³ = 252405947 is a prime.

It is a super-2 number, since 2×252405955² = 127417532238924050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25240591 + ... + 25240600.

It is an arithmetic number, because the mean of its divisors is an integer number (75721788).

Almost surely, 2^252405955 is an apocalyptic number.

252405955 is a deficient number, since it is larger than the sum of its proper divisors (50481197).

252405955 is an equidigital number, since it uses as much as digits as its factorization.

252405955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50481196.

The product of its (nonzero) digits is 90000, while the sum is 37.

The square root of 252405955 is about 15887.2891016687. The cubic root of 252405955 is about 631.9749521064.

The spelling of 252405955 in words is "two hundred fifty-two million, four hundred five thousand, nine hundred fifty-five".