231258753 has 32 divisors (see below), whose sum is σ = 381726720. Its totient is φ = 137166480.

The previous prime is 231258719. The next prime is 231258763. The reversal of 231258753 is 357852132.

It is a happy number.

231258753 is a `hidden beast` number, since 23 + 1 + 2 + 587 + 53 = 666.

It is not a de Polignac number, because 231258753 - 2⁶ = 231258689 is a prime.

It is a super-2 number, since 2×231258753² = 106961221678230018, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (231258763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5676 + ... + 22242.

It is an arithmetic number, because the mean of its divisors is an integer number (11928960).

Almost surely, 2^231258753 is an apocalyptic number.

It is an amenable number.

231258753 is a deficient number, since it is larger than the sum of its proper divisors (150467967).

231258753 is a wasteful number, since it uses less digits than its factorization.

231258753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16634 (or 16628 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 231258753 is about 15207.1941198894. The cubic root of 231258753 is about 613.8082572807.

It can be divided in two parts, 23125 and 8753, that added together give a triangular number (31878 = T₂₅₂).

The spelling of 231258753 in words is "two hundred thirty-one million, two hundred fifty-eight thousand, seven hundred fifty-three".