231525000553 has 32 divisors (see below), whose sum is σ = 295770488832. Its totient is φ = 175963881600.

The previous prime is 231525000481. The next prime is 231525000559. The reversal of 231525000553 is 355000525132.

It is a cyclic number.

It is not a de Polignac number, because 231525000553 - 2²¹ = 231522903401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (231525000559) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17555800 + ... + 17568982.

It is an arithmetic number, because the mean of its divisors is an integer number (9242827776).

Almost surely, 2^231525000553 is an apocalyptic number.

It is an amenable number.

231525000553 is a deficient number, since it is larger than the sum of its proper divisors (64245488279).

231525000553 is a wasteful number, since it uses less digits than its factorization.

231525000553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18805.

The product of its (nonzero) digits is 22500, while the sum is 31.

Adding to 231525000553 its reverse (355000525132), we get a palindrome (586525525685).

The spelling of 231525000553 in words is "two hundred thirty-one billion, five hundred twenty-five million, five hundred fifty-three", and thus it is an aban number.