231300725 has 24 divisors (see below), whose sum is σ = 306531720. Its totient is φ = 172523520.

The previous prime is 231300697. The next prime is 231300733. The reversal of 231300725 is 527003132.

It can be written as a sum of positive squares in 12 ways, for example, as 29149201 + 202151524 = 5399^2 + 14218^2 .

It is not a de Polignac number, because 231300725 - 2²⁶ = 164191861 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 231300725.

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, 43829 + ... + 48821.

It is an arithmetic number, because the mean of its divisors is an integer number (12772155).

Almost surely, 2^231300725 is an apocalyptic number.

231300725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

231300725 is a deficient number, since it is larger than the sum of its proper divisors (75230995).

231300725 is a wasteful number, since it uses less digits than its factorization.

231300725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5129 (or 5124 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 231300725 is about 15208.5740620217. The cubic root of 231300725 is about 613.8453891390.

Adding to 231300725 its reverse (527003132), we get a palindrome (758303857).

The spelling of 231300725 in words is "two hundred thirty-one million, three hundred thousand, seven hundred twenty-five".