82018501 has 8 divisors (see below), whose sum is σ = 84056544. Its totient is φ = 79986480.

The previous prime is 82018499. The next prime is 82018513. The reversal of 82018501 is 10581028.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 82018501 - 2¹ = 82018499 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 (82012501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39450 + ... + 41476.

It is an arithmetic number, because the mean of its divisors is an integer number (10507068).

Almost surely, 2^82018501 is an apocalyptic number.

It is an amenable number.

82018501 is a deficient number, since it is larger than the sum of its proper divisors (2038043).

82018501 is a wasteful number, since it uses less digits than its factorization.

82018501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3011.

The product of its (nonzero) digits is 640, while the sum is 25.

The square root of 82018501 is about 9056.4066273550. The cubic root of 82018501 is about 434.4808197995.

Adding to 82018501 its reverse (10581028), we get a palindrome (92599529).

It can be divided in two parts, 820 and 18501, that added together give a square (19321 = 139²).

The spelling of 82018501 in words is "eighty-two million, eighteen thousand, five hundred one".