231976425 has 24 divisors (see below), whose sum is σ = 384593440. Its totient is φ = 123379200.

The previous prime is 231976411. The next prime is 231976429. The reversal of 231976425 is 524679132.

It is not a de Polignac number, because 231976425 - 2⁶ = 231976361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (231976429) 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, 24345 + ... + 32505.

Almost surely, 2^231976425 is an apocalyptic number.

231976425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

231976425 is a deficient number, since it is larger than the sum of its proper divisors (152617015).

231976425 is a wasteful number, since it uses less digits than its factorization.

231976425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8553 (or 8548 counting only the distinct ones).

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

The square root of 231976425 is about 15230.7723047782. The cubic root of 231976425 is about 614.4425512513.

The spelling of 231976425 in words is "two hundred thirty-one million, nine hundred seventy-six thousand, four hundred twenty-five".