253424253 has 16 divisors (see below), whose sum is σ = 359087040. Its totient is φ = 158428416.

The previous prime is 253424233. The next prime is 253424263. The reversal of 253424253 is 352424352.

It is not a de Polignac number, because 253424253 - 2¹⁰ = 253423229 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 253424253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253424233) 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, 5158 + ... + 23096.

It is an arithmetic number, because the mean of its divisors is an integer number (22442940).

Almost surely, 2^253424253 is an apocalyptic number.

It is an amenable number.

253424253 is a deficient number, since it is larger than the sum of its proper divisors (105662787).

253424253 is a wasteful number, since it uses less digits than its factorization.

253424253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18236.

The product of its digits is 28800, while the sum is 30.

The square root of 253424253 is about 15919.3044131959. The cubic root of 253424253 is about 632.8236845126.

Subtracting 253424253 from its reverse (352424352), we obtain a palindrome (99000099).

The spelling of 253424253 in words is "two hundred fifty-three million, four hundred twenty-four thousand, two hundred fifty-three".