525303253 has 4 divisors (see below), whose sum is σ = 525415968. Its totient is φ = 525190540.

The previous prime is 525303239. The next prime is 525303257. The reversal of 525303253 is 352303525.

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 525303253 - 2⁵ = 525303221 is a prime.

It is a super-2 number, since 2×525303253² = 551887015224764018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525303257) 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, 49051 + ... + 58792.

It is an arithmetic number, because the mean of its divisors is an integer number (131353992).

Almost surely, 2^525303253 is an apocalyptic number.

It is an amenable number.

525303253 is a deficient number, since it is larger than the sum of its proper divisors (112715).

525303253 is a wasteful number, since it uses less digits than its factorization.

525303253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112714.

The product of its (nonzero) digits is 13500, while the sum is 28.

The square root of 525303253 is about 22919.4950424306. The cubic root of 525303253 is about 806.8696191714.

Adding to 525303253 its reverse (352303525), we get a palindrome (877606778).

The spelling of 525303253 in words is "five hundred twenty-five million, three hundred three thousand, two hundred fifty-three".