82256563 has 2 divisors, whose sum is σ = 82256564. Its totient is φ = 82256562.

The previous prime is 82256509. The next prime is 82256597. The reversal of 82256563 is 36565228.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 82256563 - 2²¹ = 80159411 is a prime.

It is a super-2 number, since 2×82256563² = 13532284313145938, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (82257563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41128281 + 41128282.

It is an arithmetic number, because the mean of its divisors is an integer number (41128282).

Almost surely, 2^82256563 is an apocalyptic number.

82256563 is a deficient number, since it is larger than the sum of its proper divisors (1).

82256563 is an equidigital number, since it uses as much as digits as its factorization.

82256563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 86400, while the sum is 37.

The square root of 82256563 is about 9069.5403962935. The cubic root of 82256563 is about 434.9007797661.

The spelling of 82256563 in words is "eighty-two million, two hundred fifty-six thousand, five hundred sixty-three".