5561326097 has 2 divisors, whose sum is σ = 5561326098. Its totient is φ = 5561326096.

The previous prime is 5561326051. The next prime is 5561326139. The reversal of 5561326097 is 7906231655.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5557851601 + 3474496 = 74551^2 + 1864^2 .

It is a cyclic number.

It is not a de Polignac number, because 5561326097 - 2⁸ = 5561325841 is a prime.

It is not a weakly prime, because it can be changed into another prime (5561326597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2780663048 + 2780663049.

It is an arithmetic number, because the mean of its divisors is an integer number (2780663049).

Almost surely, 2^5561326097 is an apocalyptic number.

It is an amenable number.

5561326097 is a deficient number, since it is larger than the sum of its proper divisors (1).

5561326097 is an equidigital number, since it uses as much as digits as its factorization.

5561326097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 340200, while the sum is 44.

The square root of 5561326097 is about 74574.2991720338. The cubic root of 5561326097 is about 1771.7106146445.

The spelling of 5561326097 in words is "five billion, five hundred sixty-one million, three hundred twenty-six thousand, ninety-seven".