82533131 has 8 divisors (see below), whose sum is σ = 90654720. Its totient is φ = 74789352.

The previous prime is 82533107. The next prime is 82533133. The reversal of 82533131 is 13133528.

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

It is a cyclic number.

It is not a de Polignac number, because 82533131 - 2¹⁸ = 82270987 is a prime.

It is a super-2 number, since 2×82533131² = 13623435425326322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 82533131.

It is not an unprimeable number, because it can be changed into a prime (82533133) 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, 93995 + ... + 94868.

It is an arithmetic number, because the mean of its divisors is an integer number (11331840).

Almost surely, 2^82533131 is an apocalyptic number.

82533131 is a deficient number, since it is larger than the sum of its proper divisors (8121589).

82533131 is a wasteful number, since it uses less digits than its factorization.

82533131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188905.

The product of its digits is 2160, while the sum is 26.

The square root of 82533131 is about 9084.7746807502. The cubic root of 82533131 is about 435.3876510944.

Adding to 82533131 its reverse (13133528), we get a palindrome (95666659).

The spelling of 82533131 in words is "eighty-two million, five hundred thirty-three thousand, one hundred thirty-one".