231006525 has 24 divisors (see below), whose sum is σ = 383933760. Its totient is φ = 122557440.

The previous prime is 231006521. The next prime is 231006533. The reversal of 231006525 is 525600132.

It is not a de Polignac number, because 231006525 - 2² = 231006521 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 231006495 and 231006504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231006521) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6496 + ... + 22454.

It is an arithmetic number, because the mean of its divisors is an integer number (15997240).

Almost surely, 2^231006525 is an apocalyptic number.

231006525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

231006525 is a deficient number, since it is larger than the sum of its proper divisors (152927235).

231006525 is a wasteful number, since it uses less digits than its factorization.

231006525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16165 (or 16160 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 231006525 is about 15198.8988087953. The cubic root of 231006525 is about 613.5850211190.

Adding to 231006525 its reverse (525600132), we get a palindrome (756606657).

The spelling of 231006525 in words is "two hundred thirty-one million, six thousand, five hundred twenty-five".