82646925 has 12 divisors (see below), whose sum is σ = 136643040. Its totient is φ = 44078320.

The previous prime is 82646923. The next prime is 82646929. The reversal of 82646925 is 52964628.

It is not a de Polignac number, because 82646925 - 2¹ = 82646923 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82646923) 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, 550905 + ... + 551054.

It is an arithmetic number, because the mean of its divisors is an integer number (11386920).

Almost surely, 2^82646925 is an apocalyptic number.

It is an amenable number.

82646925 is a deficient number, since it is larger than the sum of its proper divisors (53996115).

82646925 is a wasteful number, since it uses less digits than its factorization.

82646925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1101972 (or 1101967 counting only the distinct ones).

The product of its digits is 207360, while the sum is 42.

The square root of 82646925 is about 9091.0354195768. The cubic root of 82646925 is about 435.5876586512.

The spelling of 82646925 in words is "eighty-two million, six hundred forty-six thousand, nine hundred twenty-five".