231964725 has 24 divisors (see below), whose sum is σ = 385546752. Its totient is φ = 123059200.

The previous prime is 231964697. The next prime is 231964741. The reversal of 231964725 is 527469132.

It is not a de Polignac number, because 231964725 - 2¹⁰ = 231963701 is a prime.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6229 + ... + 22421.

It is an arithmetic number, because the mean of its divisors is an integer number (16064448).

Almost surely, 2^231964725 is an apocalyptic number.

231964725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

231964725 is a deficient number, since it is larger than the sum of its proper divisors (153582027).

231964725 is a wasteful number, since it uses less digits than its factorization.

231964725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16397 (or 16392 counting only the distinct ones).

The product of its digits is 90720, while the sum is 39.

The square root of 231964725 is about 15230.3882091035. The cubic root of 231964725 is about 614.4322210368.

The spelling of 231964725 in words is "two hundred thirty-one million, nine hundred sixty-four thousand, seven hundred twenty-five".