82481039 has 4 divisors (see below), whose sum is σ = 83130624. Its totient is φ = 81831456.

The previous prime is 82481023. The next prime is 82481041. The reversal of 82481039 is 93018428.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 82481039 - 2⁴ = 82481023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82481239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 324602 + ... + 324855.

It is an arithmetic number, because the mean of its divisors is an integer number (20782656).

Almost surely, 2^82481039 is an apocalyptic number.

82481039 is a deficient number, since it is larger than the sum of its proper divisors (649585).

82481039 is a wasteful number, since it uses less digits than its factorization.

82481039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649584.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 82481039 is about 9081.9072336156. The cubic root of 82481039 is about 435.2960313752.

The spelling of 82481039 in words is "eighty-two million, four hundred eighty-one thousand, thirty-nine".