252665053 has 4 divisors (see below), whose sum is σ = 252714528. Its totient is φ = 252615580.

The previous prime is 252665047. The next prime is 252665069. The reversal of 252665053 is 350566252.

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 a cyclic number.

It is not a de Polignac number, because 252665053 - 2¹³ = 252656861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252665003) 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, 16063 + ... + 27628.

It is an arithmetic number, because the mean of its divisors is an integer number (63178632).

Almost surely, 2^252665053 is an apocalyptic number.

It is an amenable number.

252665053 is a deficient number, since it is larger than the sum of its proper divisors (49475).

252665053 is an equidigital number, since it uses as much as digits as its factorization.

252665053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49474.

The product of its (nonzero) digits is 54000, while the sum is 34.

The square root of 252665053 is about 15895.4412647149. The cubic root of 252665053 is about 632.1911216626.

The spelling of 252665053 in words is "two hundred fifty-two million, six hundred sixty-five thousand, fifty-three".