252277401 has 4 divisors (see below), whose sum is σ = 336369872. Its totient is φ = 168184932.

The previous prime is 252277391. The next prime is 252277427. The reversal of 252277401 is 104772252.

252277401 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 252277401 - 2¹⁰ = 252276377 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (252277471) 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, 42046231 + ... + 42046236.

It is an arithmetic number, because the mean of its divisors is an integer number (84092468).

Almost surely, 2^252277401 is an apocalyptic number.

It is an amenable number.

252277401 is a deficient number, since it is larger than the sum of its proper divisors (84092471).

252277401 is an equidigital number, since it uses as much as digits as its factorization.

252277401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84092470.

The product of its (nonzero) digits is 7840, while the sum is 30.

The square root of 252277401 is about 15883.2427734389. The cubic root of 252277401 is about 631.8676425613.

The spelling of 252277401 in words is "two hundred fifty-two million, two hundred seventy-seven thousand, four hundred one".