231266525 has 36 divisors (see below), whose sum is σ = 338415840. Its totient is φ = 156290400.

The previous prime is 231266509. The next prime is 231266543. The reversal of 231266525 is 525662132.

It is not a de Polignac number, because 231266525 - 2⁴ = 231266509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 231266491 and 231266500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 85646 + ... + 88304.

It is an arithmetic number, because the mean of its divisors is an integer number (9400440).

Almost surely, 2^231266525 is an apocalyptic number.

231266525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

231266525 is a deficient number, since it is larger than the sum of its proper divisors (107149315).

231266525 is a wasteful number, since it uses less digits than its factorization.

231266525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2754 (or 2742 counting only the distinct ones).

The product of its digits is 21600, while the sum is 32.

The square root of 231266525 is about 15207.4496546923. The cubic root of 231266525 is about 613.8151333655.

The spelling of 231266525 in words is "two hundred thirty-one million, two hundred sixty-six thousand, five hundred twenty-five".