82258831 has 4 divisors (see below), whose sum is σ = 82403464. Its totient is φ = 82114200.

The previous prime is 82258817. The next prime is 82258837. The reversal of 82258831 is 13885228.

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 82258831 - 2¹⁵ = 82226063 is a prime.

It is a super-2 number, since 2×82258831² = 13533030554973122, 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 (82258837) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71460 + ... + 72601.

It is an arithmetic number, because the mean of its divisors is an integer number (20600866).

Almost surely, 2^82258831 is an apocalyptic number.

82258831 is a deficient number, since it is larger than the sum of its proper divisors (144633).

82258831 is a wasteful number, since it uses less digits than its factorization.

82258831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144632.

The product of its digits is 30720, while the sum is 37.

The square root of 82258831 is about 9069.6654293309. The cubic root of 82258831 is about 434.9047767963.

The spelling of 82258831 in words is "eighty-two million, two hundred fifty-eight thousand, eight hundred thirty-one".