82531132 has 24 divisors (see below), whose sum is σ = 146761776. Its totient is φ = 40604928.

The previous prime is 82531103. The next prime is 82531151. The reversal of 82531132 is 23113528.

It is a super-2 number, since 2×82531132² = 13622775498402848, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 82531097 and 82531106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70383 + ... + 71545.

It is an arithmetic number, because the mean of its divisors is an integer number (6115074).

Almost surely, 2^82531132 is an apocalyptic number.

It is an amenable number.

82531132 is a deficient number, since it is larger than the sum of its proper divisors (64230644).

82531132 is a wasteful number, since it uses less digits than its factorization.

82531132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1437 (or 1435 counting only the distinct ones).

The product of its digits is 1440, while the sum is 25.

The square root of 82531132 is about 9084.6646608447. The cubic root of 82531132 is about 435.3841359527.

The spelling of 82531132 in words is "eighty-two million, five hundred thirty-one thousand, one hundred thirty-two".