252578253 has 4 divisors (see below), whose sum is σ = 336771008. Its totient is φ = 168385500.

The previous prime is 252578251. The next prime is 252578257. The reversal of 252578253 is 352875252.

252578253 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 252578253 - 2¹ = 252578251 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 (252578251) 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, 42096373 + ... + 42096378.

It is an arithmetic number, because the mean of its divisors is an integer number (84192752).

Almost surely, 2^252578253 is an apocalyptic number.

It is an amenable number.

252578253 is a deficient number, since it is larger than the sum of its proper divisors (84192755).

252578253 is an equidigital number, since it uses as much as digits as its factorization.

252578253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84192754.

The product of its digits is 168000, while the sum is 39.

The square root of 252578253 is about 15892.7106876077. The cubic root of 252578253 is about 632.1187195190.

The spelling of 252578253 in words is "two hundred fifty-two million, five hundred seventy-eight thousand, two hundred fifty-three".