82725925 has 6 divisors (see below), whose sum is σ = 102580178. Its totient is φ = 66180720.

The previous prime is 82725889. The next prime is 82725941. The reversal of 82725925 is 52952728.

It can be written as a sum of positive squares in 3 ways, for example, as 17455684 + 65270241 = 4178^2 + 8079^2 .

It is not a de Polignac number, because 82725925 - 2¹¹ = 82723877 is a prime.

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 (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1654494 + ... + 1654543.

Almost surely, 2^82725925 is an apocalyptic number.

It is an amenable number.

82725925 is a deficient number, since it is larger than the sum of its proper divisors (19854253).

82725925 is a wasteful number, since it uses less digits than its factorization.

82725925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3309047 (or 3309042 counting only the distinct ones).

The product of its digits is 100800, while the sum is 40.

The square root of 82725925 is about 9095.3793213917. The cubic root of 82725925 is about 435.7264033435.

The spelling of 82725925 in words is "eighty-two million, seven hundred twenty-five thousand, nine hundred twenty-five".