5605003601 has 2 divisors, whose sum is σ = 5605003602. Its totient is φ = 5605003600.

The previous prime is 5605003589. The next prime is 5605003669. The reversal of 5605003601 is 1063005065.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2900899600 + 2704104001 = 53860^2 + 52001^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5605003601 is a prime.

It is not a weakly prime, because it can be changed into another prime (5605003501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2802501800 + 2802501801.

It is an arithmetic number, because the mean of its divisors is an integer number (2802501801).

Almost surely, 2^5605003601 is an apocalyptic number.

It is an amenable number.

5605003601 is a deficient number, since it is larger than the sum of its proper divisors (1).

5605003601 is an equidigital number, since it uses as much as digits as its factorization.

5605003601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 5605003601 is about 74866.5719864346. The cubic root of 5605003601 is about 1776.3367409635.

Adding to 5605003601 its reverse (1063005065), we get a palindrome (6668008666).

The spelling of 5605003601 in words is "five billion, six hundred five million, three thousand, six hundred one".