5395561 has 2 divisors, whose sum is σ = 5395562. Its totient is φ = 5395560.

The previous prime is 5395543. The next prime is 5395571. The reversal of 5395561 is 1655935.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4305625 + 1089936 = 2075^2 + 1044^2 .

It is a cyclic number.

It is not a de Polignac number, because 5395561 - 2⁵ = 5395529 is a prime.

It is a super-2 number, since 2×5395561² = 58224157009442, which contains 22 as substring.

5395561 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (5395531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2697780 + 2697781.

It is an arithmetic number, because the mean of its divisors is an integer number (2697781).

Almost surely, 2^5395561 is an apocalyptic number.

It is an amenable number.

5395561 is a deficient number, since it is larger than the sum of its proper divisors (1).

5395561 is an equidigital number, since it uses as much as digits as its factorization.

5395561 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20250, while the sum is 34.

The square root of 5395561 is about 2322.8346906313. The cubic root of 5395561 is about 175.3929780966.

The spelling of 5395561 in words is "five million, three hundred ninety-five thousand, five hundred sixty-one".