25322569 has 2 divisors, whose sum is σ = 25322570. Its totient is φ = 25322568.

The previous prime is 25322489. The next prime is 25322579. The reversal of 25322569 is 96522352.

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., 14531344 + 10791225 = 3812^2 + 3285^2 .

It is a cyclic number.

It is not a de Polignac number, because 25322569 - 2⁷ = 25322441 is a prime.

It is a super-2 number, since 2×25322569² = 1282465001519522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (25322579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12661284 + 12661285.

It is an arithmetic number, because the mean of its divisors is an integer number (12661285).

Almost surely, 2^25322569 is an apocalyptic number.

It is an amenable number.

25322569 is a deficient number, since it is larger than the sum of its proper divisors (1).

25322569 is an equidigital number, since it uses as much as digits as its factorization.

25322569 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32400, while the sum is 34.

The square root of 25322569 is about 5032.1535151464. The cubic root of 25322569 is about 293.6540000770.

It can be divided in two parts, 253 and 22569, that added together give a palindrome (22822).

The spelling of 25322569 in words is "twenty-five million, three hundred twenty-two thousand, five hundred sixty-nine".