231265253 has 4 divisors (see below), whose sum is σ = 241320288. Its totient is φ = 221210220.

The previous prime is 231265211. The next prime is 231265261. The reversal of 231265253 is 352562132.

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 231265253 - 2⁸ = 231264997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231265753) 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, 5027483 + ... + 5027528.

It is an arithmetic number, because the mean of its divisors is an integer number (60330072).

Almost surely, 2^231265253 is an apocalyptic number.

231265253 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

231265253 is a deficient number, since it is larger than the sum of its proper divisors (10055035).

231265253 is a wasteful number, since it uses less digits than its factorization.

231265253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10055034.

The product of its digits is 10800, while the sum is 29.

The square root of 231265253 is about 15207.4078330266. The cubic root of 231265253 is about 613.8140080055.

The spelling of 231265253 in words is "two hundred thirty-one million, two hundred sixty-five thousand, two hundred fifty-three".