82193925 has 48 divisors (see below), whose sum is σ = 150561792. Its totient is φ = 39230400.

The previous prime is 82193921. The next prime is 82193959. The reversal of 82193925 is 52939128.

It is not a de Polignac number, because 82193925 - 2² = 82193921 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82193921) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 54532 + ... + 56018.

It is an arithmetic number, because the mean of its divisors is an integer number (3136704).

Almost surely, 2^82193925 is an apocalyptic number.

It is an amenable number.

82193925 is a deficient number, since it is larger than the sum of its proper divisors (68367867).

82193925 is a wasteful number, since it uses less digits than its factorization.

82193925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1578 (or 1573 counting only the distinct ones).

The product of its digits is 38880, while the sum is 39.

The square root of 82193925 is about 9066.0865316850. The cubic root of 82193925 is about 434.7903600756.

The spelling of 82193925 in words is "eighty-two million, one hundred ninety-three thousand, nine hundred twenty-five".