25226269 has 2 divisors, whose sum is σ = 25226270. Its totient is φ = 25226268.

The previous prime is 25226231. The next prime is 25226297. The reversal of 25226269 is 96262252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25130169 + 96100 = 5013^2 + 310^2 .

It is a cyclic number.

It is not a de Polignac number, because 25226269 - 2¹³ = 25218077 is a prime.

It is a super-2 number, since 2×25226269² = 1272729295320722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25256269) 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, 12613134 + 12613135.

It is an arithmetic number, because the mean of its divisors is an integer number (12613135).

Almost surely, 2^25226269 is an apocalyptic number.

It is an amenable number.

25226269 is a deficient number, since it is larger than the sum of its proper divisors (1).

25226269 is an equidigital number, since it uses as much as digits as its factorization.

25226269 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 34.

The square root of 25226269 is about 5022.5759327262. The cubic root of 25226269 is about 293.2812784982.

The spelling of 25226269 in words is "twenty-five million, two hundred twenty-six thousand, two hundred sixty-nine".