82507244 has 12 divisors (see below), whose sum is σ = 149045568. Its totient is φ = 39922800.

The previous prime is 82507241. The next prime is 82507247. The reversal of 82507244 is 44270528.

It is an interprime number because it is at equal distance from previous prime (82507241) and next prime (82507247).

It is a self number, because there is not a number n which added to its sum of digits gives 82507244.

It is not an unprimeable number, because it can be changed into a prime (82507241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 332567 + ... + 332814.

It is an arithmetic number, because the mean of its divisors is an integer number (12420464).

Almost surely, 2^82507244 is an apocalyptic number.

It is an amenable number.

82507244 is a deficient number, since it is larger than the sum of its proper divisors (66538324).

82507244 is a wasteful number, since it uses less digits than its factorization.

82507244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665416 (or 665414 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 32.

The square root of 82507244 is about 9083.3498226150. The cubic root of 82507244 is about 435.3421257052.

The spelling of 82507244 in words is "eighty-two million, five hundred seven thousand, two hundred forty-four".