5366561 has 2 divisors, whose sum is σ = 5366562. Its totient is φ = 5366560.

The previous prime is 5366539. The next prime is 5366587. The reversal of 5366561 is 1656635.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4000000 + 1366561 = 2000^2 + 1169^2 .

It is a cyclic number.

It is not a de Polignac number, because 5366561 - 2⁶ = 5366497 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (5366161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2683280 + 2683281.

It is an arithmetic number, because the mean of its divisors is an integer number (2683281).

Almost surely, 2^5366561 is an apocalyptic number.

It is an amenable number.

5366561 is a deficient number, since it is larger than the sum of its proper divisors (1).

5366561 is an equidigital number, since it uses as much as digits as its factorization.

5366561 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16200, while the sum is 32.

The square root of 5366561 is about 2316.5839073947. The cubic root of 5366561 is about 175.0781800344.

The spelling of 5366561 in words is "five million, three hundred sixty-six thousand, five hundred sixty-one".