252666051 has 16 divisors (see below), whose sum is σ = 368893440. Its totient is φ = 152556320.

The previous prime is 252666023. The next prime is 252666059. The reversal of 252666051 is 150666252.

It is a happy number.

252666051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 252666051 - 2⁷ = 252665923 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (252666059) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5355 + ... + 23108.

It is an arithmetic number, because the mean of its divisors is an integer number (23055840).

Almost surely, 2^252666051 is an apocalyptic number.

252666051 is a deficient number, since it is larger than the sum of its proper divisors (116227389).

252666051 is a wasteful number, since it uses less digits than its factorization.

252666051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28746.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 252666051 is about 15895.4726573323. The cubic root of 252666051 is about 632.1919540240.

The spelling of 252666051 in words is "two hundred fifty-two million, six hundred sixty-six thousand, fifty-one".