82418265 has 12 divisors (see below), whose sum is σ = 142858404. Its totient is φ = 43956384.

The previous prime is 82418239. The next prime is 82418267. The reversal of 82418265 is 56281428.

It can be written as a sum of positive squares in 2 ways, for example, as 42614784 + 39803481 = 6528^2 + 6309^2 .

It is not a de Polignac number, because 82418265 - 2⁶ = 82418201 is a prime.

It is a super-2 number, since 2×82418265² = 13585540811220450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (82418267) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 915714 + ... + 915803.

It is an arithmetic number, because the mean of its divisors is an integer number (11904867).

Almost surely, 2^82418265 is an apocalyptic number.

It is an amenable number.

82418265 is a deficient number, since it is larger than the sum of its proper divisors (60440139).

82418265 is a wasteful number, since it uses less digits than its factorization.

82418265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1831528 (or 1831525 counting only the distinct ones).

The product of its digits is 30720, while the sum is 36.

The square root of 82418265 is about 9078.4505836624. The cubic root of 82418265 is about 435.1855728242.

The spelling of 82418265 in words is "eighty-two million, four hundred eighteen thousand, two hundred sixty-five".