82504111 has 4 divisors (see below), whose sum is σ = 87357312. Its totient is φ = 77650912.

The previous prime is 82504087. The next prime is 82504127. The reversal of 82504111 is 11140528.

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 82504111 - 2¹⁹ = 81979823 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 (82504211) 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, 2426575 + ... + 2426608.

It is an arithmetic number, because the mean of its divisors is an integer number (21839328).

Almost surely, 2^82504111 is an apocalyptic number.

82504111 is a deficient number, since it is larger than the sum of its proper divisors (4853201).

82504111 is a wasteful number, since it uses less digits than its factorization.

82504111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4853200.

The product of its (nonzero) digits is 320, while the sum is 22.

The square root of 82504111 is about 9083.1773625753. The cubic root of 82504111 is about 435.3366153036.

Adding to 82504111 its reverse (11140528), we get a palindrome (93644639).

The spelling of 82504111 in words is "eighty-two million, five hundred four thousand, one hundred eleven".