82176425 has 24 divisors (see below), whose sum is σ = 108281760. Its totient is φ = 61689600.

The previous prime is 82176407. The next prime is 82176427. The reversal of 82176425 is 52467128.

It is not a de Polignac number, because 82176425 - 2⁶ = 82176361 is a prime.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (82176427) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52910 + ... + 54440.

It is an arithmetic number, because the mean of its divisors is an integer number (4511740).

Almost surely, 2^82176425 is an apocalyptic number.

It is an amenable number.

82176425 is a deficient number, since it is larger than the sum of its proper divisors (26105335).

82176425 is a wasteful number, since it uses less digits than its factorization.

82176425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1673 (or 1668 counting only the distinct ones).

The product of its digits is 26880, while the sum is 35.

The square root of 82176425 is about 9065.1213450235. The cubic root of 82176425 is about 434.7595006523.

The spelling of 82176425 in words is "eighty-two million, one hundred seventy-six thousand, four hundred twenty-five".