253203113 has 4 divisors (see below), whose sum is σ = 264211968. Its totient is φ = 242194260.

The previous prime is 253203047. The next prime is 253203157. The reversal of 253203113 is 311302352.

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 253203113 - 2¹² = 253199017 is a prime.

It is a super-2 number, since 2×253203113² = 128223632865781538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253203193) 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, 5504393 + ... + 5504438.

It is an arithmetic number, because the mean of its divisors is an integer number (66052992).

Almost surely, 2^253203113 is an apocalyptic number.

253203113 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

253203113 is a deficient number, since it is larger than the sum of its proper divisors (11008855).

253203113 is a wasteful number, since it uses less digits than its factorization.

253203113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11008854.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 253203113 is about 15912.3572420933. The cubic root of 253203113 is about 632.6395619688.

Adding to 253203113 its reverse (311302352), we get a palindrome (564505465).

The spelling of 253203113 in words is "two hundred fifty-three million, two hundred three thousand, one hundred thirteen".