231150525 has 24 divisors (see below), whose sum is σ = 383008224. Its totient is φ = 123009600.

The previous prime is 231150461. The next prime is 231150553. The reversal of 231150525 is 525051132.

It is a happy number.

It is not a de Polignac number, because 231150525 - 2⁶ = 231150461 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 231150495 and 231150504.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33687 + ... + 39963.

It is an arithmetic number, because the mean of its divisors is an integer number (15958676).

Almost surely, 2^231150525 is an apocalyptic number.

231150525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

231150525 is a deficient number, since it is larger than the sum of its proper divisors (151857699).

231150525 is a wasteful number, since it uses less digits than its factorization.

231150525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6781 (or 6776 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 231150525 is about 15203.6352560827. The cubic root of 231150525 is about 613.7124892214.

The spelling of 231150525 in words is "two hundred thirty-one million, one hundred fifty thousand, five hundred twenty-five".