82659331 has 4 divisors (see below), whose sum is σ = 84014464. Its totient is φ = 81304200.

The previous prime is 82659271. The next prime is 82659337. The reversal of 82659331 is 13395628.

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 82659331 - 2⁹ = 82658819 is a prime.

It is a super-2 number, since 2×82659331² = 13665130002735122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82659337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 677475 + ... + 677596.

It is an arithmetic number, because the mean of its divisors is an integer number (21003616).

Almost surely, 2^82659331 is an apocalyptic number.

82659331 is a deficient number, since it is larger than the sum of its proper divisors (1355133).

82659331 is a wasteful number, since it uses less digits than its factorization.

82659331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1355132.

The product of its digits is 38880, while the sum is 37.

The square root of 82659331 is about 9091.7177144916. The cubic root of 82659331 is about 435.6094526870.

The spelling of 82659331 in words is "eighty-two million, six hundred fifty-nine thousand, three hundred thirty-one".