8231925 has 24 divisors (see below), whose sum is σ = 14658784. Its totient is φ = 4052160.

The previous prime is 8231917. The next prime is 8231929. The reversal of 8231925 is 5291328.

8231925 = 381² + 382² + ... + 430².

It is a happy number.

It is not a de Polignac number, because 8231925 - 2³ = 8231917 is a prime.

It is a Duffinian number.

8231925 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 8231892 and 8231901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8231929) by changing a digit.

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, 3247 + ... + 5196.

Almost surely, 2^8231925 is an apocalyptic number.

It is an amenable number.

8231925 is a deficient number, since it is larger than the sum of its proper divisors (6426859).

8231925 is a wasteful number, since it uses less digits than its factorization.

8231925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8469 (or 8464 counting only the distinct ones).

The product of its digits is 4320, while the sum is 30.

The square root of 8231925 is about 2869.1331443487. The cubic root of 8231925 is about 201.9143266398.

The spelling of 8231925 in words is "eight million, two hundred thirty-one thousand, nine hundred twenty-five".