82491952 has 20 divisors (see below), whose sum is σ = 161413776. Its totient is φ = 40836800.

The previous prime is 82491923. The next prime is 82491967. The reversal of 82491952 is 25919428.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23908 + ... + 27139.

Almost surely, 2^82491952 is an apocalyptic number.

It is an amenable number.

82491952 is a deficient number, since it is larger than the sum of its proper divisors (78921824).

82491952 is a wasteful number, since it uses less digits than its factorization.

82491952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51156 (or 51150 counting only the distinct ones).

The product of its digits is 51840, while the sum is 40.

The square root of 82491952 is about 9082.5080236684. The cubic root of 82491952 is about 435.3152284180.

It can be divided in two parts, 8249 and 1952, that added together give a palindrome (10201).

The spelling of 82491952 in words is "eighty-two million, four hundred ninety-one thousand, nine hundred fifty-two".