83608001 has 4 divisors (see below), whose sum is σ = 83634132. Its totient is φ = 83581872.

The previous prime is 83607983. The next prime is 83608009. The reversal of 83608001 is 10080638.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 66994225 + 16613776 = 8185^2 + 4076^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83608001 is a prime.

It is a super-3 number, since 3×83608001³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (83608009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7466 + ... + 14931.

It is an arithmetic number, because the mean of its divisors is an integer number (20908533).

Almost surely, 2^83608001 is an apocalyptic number.

83608001 is the 7466-th pentagonal number.

It is an amenable number.

83608001 is a deficient number, since it is larger than the sum of its proper divisors (26131).

83608001 is a wasteful number, since it uses less digits than its factorization.

83608001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26130.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 83608001 is about 9143.7410833859. The cubic root of 83608001 is about 437.2695947077.

Adding to 83608001 its reverse (10080638), we get a palindrome (93688639).

It can be divided in two parts, 8360 and 8001, that added together give a palindrome (16361).

The spelling of 83608001 in words is "eighty-three million, six hundred eight thousand, one".