5608807261 has 2 divisors, whose sum is σ = 5608807262. Its totient is φ = 5608807260.

The previous prime is 5608807231. The next prime is 5608807279. The reversal of 5608807261 is 1627088065.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3985523161 + 1623284100 = 63131^2 + 40290^2 .

It is a cyclic number.

It is not a de Polignac number, because 5608807261 - 2⁷ = 5608807133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5608807231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2804403630 + 2804403631.

It is an arithmetic number, because the mean of its divisors is an integer number (2804403631).

Almost surely, 2^5608807261 is an apocalyptic number.

It is an amenable number.

5608807261 is a deficient number, since it is larger than the sum of its proper divisors (1).

5608807261 is an equidigital number, since it uses as much as digits as its factorization.

5608807261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 161280, while the sum is 43.

The square root of 5608807261 is about 74891.9706043311. The cubic root of 5608807261 is about 1776.7384685201.

The spelling of 5608807261 in words is "five billion, six hundred eight million, eight hundred seven thousand, two hundred sixty-one".