5261569 has 2 divisors, whose sum is σ = 5261570. Its totient is φ = 5261568.

The previous prime is 5261563. The next prime is 5261573. The reversal of 5261569 is 9651625.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4460544 + 801025 = 2112^2 + 895^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5261569 is a prime.

It is a super-2 number, since 2×5261569² = 55368216683522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5261563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2630784 + 2630785.

It is an arithmetic number, because the mean of its divisors is an integer number (2630785).

Almost surely, 2^5261569 is an apocalyptic number.

It is an amenable number.

5261569 is a deficient number, since it is larger than the sum of its proper divisors (1).

5261569 is an equidigital number, since it uses as much as digits as its factorization.

5261569 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16200, while the sum is 34.

The square root of 5261569 is about 2293.8110209867. The cubic root of 5261569 is about 173.9289025601.

The spelling of 5261569 in words is "five million, two hundred sixty-one thousand, five hundred sixty-nine".