82813256 has 32 divisors (see below), whose sum is σ = 164838240. Its totient is φ = 38869248.

The previous prime is 82813249. The next prime is 82813259. The reversal of 82813256 is 65231828.

It is not an unprimeable number, because it can be changed into a prime (82813259) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 86975 + ... + 87921.

It is an arithmetic number, because the mean of its divisors is an integer number (5151195).

Almost surely, 2^82813256 is an apocalyptic number.

It is an amenable number.

82813256 is a deficient number, since it is larger than the sum of its proper divisors (82024984).

82813256 is a wasteful number, since it uses less digits than its factorization.

82813256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1613 (or 1609 counting only the distinct ones).

The product of its digits is 23040, while the sum is 35.

The square root of 82813256 is about 9100.1788993404. The cubic root of 82813256 is about 435.8796766983.

The spelling of 82813256 in words is "eighty-two million, eight hundred thirteen thousand, two hundred fifty-six".