231465925 has 12 divisors (see below), whose sum is σ = 288169056. Its totient is φ = 184430000.

The previous prime is 231465911. The next prime is 231465943. The reversal of 231465925 is 529564132.

It is not a de Polignac number, because 231465925 - 2⁷ = 231465797 is a prime.

It is a super-2 number, since 2×231465925² = 107152948872211250, which contains 22 as substring.

It is a Duffinian number.

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 11 ways as a sum of consecutive naturals, for example, 12169 + ... + 24718.

It is an arithmetic number, because the mean of its divisors is an integer number (24014088).

Almost surely, 2^231465925 is an apocalyptic number.

231465925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

231465925 is a deficient number, since it is larger than the sum of its proper divisors (56703131).

231465925 is a wasteful number, since it uses less digits than its factorization.

231465925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37148 (or 37143 counting only the distinct ones).

The product of its digits is 64800, while the sum is 37.

The square root of 231465925 is about 15214.0042395156. The cubic root of 231465925 is about 613.9914949290.

The spelling of 231465925 in words is "two hundred thirty-one million, four hundred sixty-five thousand, nine hundred twenty-five".