231053525 has 12 divisors (see below), whose sum is σ = 290543904. Its totient is φ = 182238000.

The previous prime is 231053521. The next prime is 231053533. The reversal of 231053525 is 525350132.

It is not a de Polignac number, because 231053525 - 2² = 231053521 is a prime.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 231053494 and 231053503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231053521) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63311 + ... + 66860.

It is an arithmetic number, because the mean of its divisors is an integer number (24211992).

Almost surely, 2^231053525 is an apocalyptic number.

231053525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

231053525 is a deficient number, since it is larger than the sum of its proper divisors (59490379).

231053525 is a wasteful number, since it uses less digits than its factorization.

231053525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130252 (or 130247 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 231053525 is about 15200.4448948049. Note that the first 3 decimals coincide. The cubic root of 231053525 is about 613.6266311130.

The spelling of 231053525 in words is "two hundred thirty-one million, fifty-three thousand, five hundred twenty-five".