82497442 has 4 divisors (see below), whose sum is σ = 123746166. Its totient is φ = 41248720.

The previous prime is 82497439. The next prime is 82497451. The reversal of 82497442 is 24479428.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 52258441 + 30239001 = 7229^2 + 5499^2 .

It is a junction number, because it is equal to n+sod(n) for n = 82497395 and 82497404.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20624359 + ... + 20624362.

Almost surely, 2^82497442 is an apocalyptic number.

82497442 is a deficient number, since it is larger than the sum of its proper divisors (41248724).

82497442 is a wasteful number, since it uses less digits than its factorization.

82497442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41248723.

The product of its digits is 129024, while the sum is 40.

The square root of 82497442 is about 9082.8102479354. The cubic root of 82497442 is about 435.3248852291.

The spelling of 82497442 in words is "eighty-two million, four hundred ninety-seven thousand, four hundred forty-two".