5456569 has 2 divisors, whose sum is σ = 5456570.
Its totient is φ = 5456568.
The previous prime is 5456557. The next prime is 5456579. The reversal of 5456569 is 9656545.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 5359225 + 97344 = 2315^2 + 312^2
It is a cyclic number.
It is not a de Polignac number, because 5456569 - 25 = 5456537 is a prime.
It is a super-2 number, since 2×54565692 = 59548290503522, which contains 22 as substring.
It is an alternating number because its digits alternate between odd and even.
It is not a weakly prime, because it can be changed into another prime (5456579) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2728284 + 2728285.
It is an arithmetic number, because the mean of its divisors is an integer number (2728285).
Almost surely, 25456569 is an apocalyptic number.
It is an amenable number.
5456569 is a deficient number, since it is larger than the sum of its proper divisors (1).
5456569 is an equidigital number, since it uses as much as digits as its factorization.
5456569 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 162000, while the sum is 40.
The square root of 5456569 is about 2335.9300075131.
The cubic root of 5456569 is about 176.0515624578.
The spelling of 5456569 in words is "five million, four hundred fifty-six thousand, five hundred sixty-nine".