82404501 has 16 divisors (see below), whose sum is σ = 116006400. Its totient is φ = 51887088.

The previous prime is 82404437. The next prime is 82404503. The reversal of 82404501 is 10540428.

It is not a de Polignac number, because 82404501 - 2⁶ = 82404437 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82404503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18450 + ... + 22476.

It is an arithmetic number, because the mean of its divisors is an integer number (7250400).

Almost surely, 2^82404501 is an apocalyptic number.

It is an amenable number.

82404501 is a deficient number, since it is larger than the sum of its proper divisors (33601899).

82404501 is a wasteful number, since it uses less digits than its factorization.

82404501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4408.

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 82404501 is about 9077.6924931394. The cubic root of 82404501 is about 435.1613458817.

Adding to 82404501 its reverse (10540428), we get a palindrome (92944929).

The spelling of 82404501 in words is "eighty-two million, four hundred four thousand, five hundred one".