82565469 has 48 divisors (see below), whose sum is σ = 149760000. Its totient is φ = 42739488.

The previous prime is 82565459. The next prime is 82565471. The reversal of 82565469 is 96456528.

82565469 is a `hidden beast` number, since 82 + 565 + 4 + 6 + 9 = 666.

It is not a de Polignac number, because 82565469 - 2⁴ = 82565453 is a prime.

It is a super-2 number, since 2×82565469² = 13634113342379922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82565419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26032 + ... + 29030.

It is an arithmetic number, because the mean of its divisors is an integer number (3120000).

Almost surely, 2^82565469 is an apocalyptic number.

It is an amenable number.

82565469 is a deficient number, since it is larger than the sum of its proper divisors (67194531).

82565469 is a wasteful number, since it uses less digits than its factorization.

82565469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3054 (or 3051 counting only the distinct ones).

The product of its digits is 518400, while the sum is 45.

The square root of 82565469 is about 9086.5542974221. The cubic root of 82565469 is about 435.4445079679. Note that the first 3 decimals are identical.

The spelling of 82565469 in words is "eighty-two million, five hundred sixty-five thousand, four hundred sixty-nine".