431081925 has 12 divisors (see below), whose sum is σ = 712722240. Its totient is φ = 229910320.

The previous prime is 431081909. The next prime is 431081927. The reversal of 431081925 is 529180134.

It is not a de Polignac number, because 431081925 - 2⁴ = 431081909 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431081927) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2873805 + ... + 2873954.

It is an arithmetic number, because the mean of its divisors is an integer number (59393520).

Almost surely, 2^431081925 is an apocalyptic number.

It is an amenable number.

431081925 is a deficient number, since it is larger than the sum of its proper divisors (281640315).

431081925 is a wasteful number, since it uses less digits than its factorization.

431081925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5747772 (or 5747767 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 431081925 is about 20762.5124924707. The cubic root of 431081925 is about 755.4167399442.

The spelling of 431081925 in words is "four hundred thirty-one million, eighty-one thousand, nine hundred twenty-five".