82504247 has 16 divisors (see below), whose sum is σ = 100077120. Its totient is φ = 66398208.

The previous prime is 82504231. The next prime is 82504267. The reversal of 82504247 is 74240528.

It is a cyclic number.

It is not a de Polignac number, because 82504247 - 2⁴ = 82504231 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 (82504267) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95843 + ... + 96699.

It is an arithmetic number, because the mean of its divisors is an integer number (6254820).

Almost surely, 2^82504247 is an apocalyptic number.

82504247 is a deficient number, since it is larger than the sum of its proper divisors (17572873).

82504247 is a wasteful number, since it uses less digits than its factorization.

82504247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1690.

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

The square root of 82504247 is about 9083.1848489393. The cubic root of 82504247 is about 435.3368545068.

The spelling of 82504247 in words is "eighty-two million, five hundred four thousand, two hundred forty-seven".