82326531 has 8 divisors (see below), whose sum is σ = 125449984. Its totient is φ = 47043720.

The previous prime is 82326521. The next prime is 82326533. The reversal of 82326531 is 13562328.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 82326531 - 2¹¹ = 82324483 is a prime.

It is a super-2 number, since 2×82326531² = 13555315412987922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82326533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1960135 + ... + 1960176.

It is an arithmetic number, because the mean of its divisors is an integer number (15681248).

Almost surely, 2^82326531 is an apocalyptic number.

82326531 is a deficient number, since it is larger than the sum of its proper divisors (43123453).

82326531 is a wasteful number, since it uses less digits than its factorization.

82326531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3920321.

The product of its digits is 8640, while the sum is 30.

The square root of 82326531 is about 9073.3968831965. The cubic root of 82326531 is about 435.0240546878.

Adding to 82326531 its reverse (13562328), we get a palindrome (95888859).

The spelling of 82326531 in words is "eighty-two million, three hundred twenty-six thousand, five hundred thirty-one".