82290559 has 4 divisors (see below), whose sum is σ = 88620616. Its totient is φ = 75960504.

The previous prime is 82290547. The next prime is 82290581. The reversal of 82290559 is 95509228.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 82290559 - 2⁷ = 82290431 is a prime.

It is a super-2 number, since 2×82290559² = 13543472201064962, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82290529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3165009 + ... + 3165034.

It is an arithmetic number, because the mean of its divisors is an integer number (22155154).

Almost surely, 2^82290559 is an apocalyptic number.

82290559 is a deficient number, since it is larger than the sum of its proper divisors (6330057).

82290559 is a wasteful number, since it uses less digits than its factorization.

82290559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6330056.

The product of its (nonzero) digits is 64800, while the sum is 40.

The square root of 82290559 is about 9071.4143880654. The cubic root of 82290559 is about 434.9606852213.

The spelling of 82290559 in words is "eighty-two million, two hundred ninety thousand, five hundred fifty-nine".