82554691 has 2 divisors, whose sum is σ = 82554692. Its totient is φ = 82554690.

The previous prime is 82554671. The next prime is 82554697. The reversal of 82554691 is 19645528.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 82554691 - 2⁹ = 82554179 is a prime.

It is a super-2 number, since 2×82554691² = 13630554012210962, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (82554697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41277345 + 41277346.

It is an arithmetic number, because the mean of its divisors is an integer number (41277346).

Almost surely, 2^82554691 is an apocalyptic number.

82554691 is a deficient number, since it is larger than the sum of its proper divisors (1).

82554691 is an equidigital number, since it uses as much as digits as its factorization.

82554691 is an evil number, because the sum of its binary digits is even.

The product of its digits is 86400, while the sum is 40.

The square root of 82554691 is about 9085.9612039674. The cubic root of 82554691 is about 435.4255596707.

The spelling of 82554691 in words is "eighty-two million, five hundred fifty-four thousand, six hundred ninety-one".