252525253 has 4 divisors (see below), whose sum is σ = 253833868. Its totient is φ = 251216640.

The previous prime is 252525223. The next prime is 252525263. The reversal of 252525253 is 352525252.

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

It can be written as a sum of positive squares in 2 ways, for example, as 112741924 + 139783329 = 10618^2 + 11823^2 .

It is a cyclic number.

It is not a de Polignac number, because 252525253 - 2²⁵ = 218970821 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 (252525223) 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, 654018 + ... + 654403.

It is an arithmetic number, because the mean of its divisors is an integer number (63458467).

Almost surely, 2^252525253 is an apocalyptic number.

It is an amenable number.

252525253 is a deficient number, since it is larger than the sum of its proper divisors (1308615).

252525253 is a wasteful number, since it uses less digits than its factorization.

252525253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1308614.

The product of its digits is 30000, while the sum is 31.

The square root of 252525253 is about 15891.0431690308. The cubic root of 252525253 is about 632.0745026802.

Subtracting 252525253 from its reverse (352525252), we obtain a palindrome (99999999).

The spelling of 252525253 in words is "two hundred fifty-two million, five hundred twenty-five thousand, two hundred fifty-three".