82445252 has 24 divisors (see below), whose sum is σ = 146512800. Its totient is φ = 40589696.

The previous prime is 82445249. The next prime is 82445261. The reversal of 82445252 is 25254428.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80399 + ... + 81417.

It is an arithmetic number, because the mean of its divisors is an integer number (6104700).

Almost surely, 2^82445252 is an apocalyptic number.

It is an amenable number.

82445252 is a deficient number, since it is larger than the sum of its proper divisors (64067548).

82445252 is a wasteful number, since it uses less digits than its factorization.

82445252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1315 (or 1313 counting only the distinct ones).

The product of its digits is 25600, while the sum is 32.

The square root of 82445252 is about 9079.9367839209. The cubic root of 82445252 is about 435.2330666309.

The spelling of 82445252 in words is "eighty-two million, four hundred forty-five thousand, two hundred fifty-two".