82582312 has 8 divisors (see below), whose sum is σ = 154841850. Its totient is φ = 41291152.

The previous prime is 82582307. The next prime is 82582319. The reversal of 82582312 is 21328528.

It can be written as a sum of positive squares in only one way, i.e., 51065316 + 31516996 = 7146^2 + 5614^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (82582319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5161387 + ... + 5161402.

Almost surely, 2^82582312 is an apocalyptic number.

It is an amenable number.

82582312 is a deficient number, since it is larger than the sum of its proper divisors (72259538).

82582312 is a wasteful number, since it uses less digits than its factorization.

82582312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10322795 (or 10322791 counting only the distinct ones).

The product of its digits is 7680, while the sum is 31.

The square root of 82582312 is about 9087.4810591274. The cubic root of 82582312 is about 435.4741155560.

The spelling of 82582312 in words is "eighty-two million, five hundred eighty-two thousand, three hundred twelve".