82565512 has 8 divisors (see below), whose sum is σ = 154810350. Its totient is φ = 41282752.

The previous prime is 82565491. The next prime is 82565543. The reversal of 82565512 is 21556528.

It can be written as a sum of positive squares in only one way, i.e., 81252196 + 1313316 = 9014^2 + 1146^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5160337 + ... + 5160352.

Almost surely, 2^82565512 is an apocalyptic number.

It is an amenable number.

82565512 is a deficient number, since it is larger than the sum of its proper divisors (72244838).

82565512 is a wasteful number, since it uses less digits than its factorization.

82565512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10320695 (or 10320691 counting only the distinct ones).

The product of its digits is 24000, while the sum is 34.

The square root of 82565512 is about 9086.5566635552. The cubic root of 82565512 is about 435.4445835609. Note that the first 3 decimals are identical.

The spelling of 82565512 in words is "eighty-two million, five hundred sixty-five thousand, five hundred twelve".