82542994 has 4 divisors (see below), whose sum is σ = 123814494. Its totient is φ = 41271496.

The previous prime is 82542979. The next prime is 82543001. The reversal of 82542994 is 49924528.

It is a happy number.

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., 42055225 + 40487769 = 6485^2 + 6363^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 82542994.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20635747 + ... + 20635750.

Almost surely, 2^82542994 is an apocalyptic number.

82542994 is a deficient number, since it is larger than the sum of its proper divisors (41271500).

82542994 is a wasteful number, since it uses less digits than its factorization.

82542994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41271499.

The product of its digits is 207360, while the sum is 43.

The square root of 82542994 is about 9085.3174958281. The cubic root of 82542994 is about 435.4049938564.

The spelling of 82542994 in words is "eighty-two million, five hundred forty-two thousand, nine hundred ninety-four".