25235269 has 2 divisors, whose sum is σ = 25235270. Its totient is φ = 25235268.

The previous prime is 25235239. The next prime is 25235291. The reversal of 25235269 is 96253252.

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., 17181025 + 8054244 = 4145^2 + 2838^2 .

It is a cyclic number.

It is not a de Polignac number, because 25235269 - 2⁷ = 25235141 is a prime.

It is a super-2 number, since 2×25235269² = 1273637603004722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25235219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12617634 + 12617635.

It is an arithmetic number, because the mean of its divisors is an integer number (12617635).

Almost surely, 2^25235269 is an apocalyptic number.

It is an amenable number.

25235269 is a deficient number, since it is larger than the sum of its proper divisors (1).

25235269 is an equidigital number, since it uses as much as digits as its factorization.

25235269 is an evil number, because the sum of its binary digits is even.

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

The square root of 25235269 is about 5023.4718074256. The cubic root of 25235269 is about 293.3161524315.

The spelling of 25235269 in words is "twenty-five million, two hundred thirty-five thousand, two hundred sixty-nine".