25025250269 has 2 divisors, whose sum is σ = 25025250270. Its totient is φ = 25025250268.

The previous prime is 25025250233. The next prime is 25025250277. The reversal of 25025250269 is 96205252052.

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., 12779172025 + 12246078244 = 113045^2 + 110662^2 .

It is a cyclic number.

It is not a de Polignac number, because 25025250269 - 2²⁴ = 25008473053 is a prime.

It is a super-2 number, since 2×25025250269² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25025250769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12512625134 + 12512625135.

It is an arithmetic number, because the mean of its divisors is an integer number (12512625135).

Almost surely, 2^25025250269 is an apocalyptic number.

It is an amenable number.

25025250269 is a deficient number, since it is larger than the sum of its proper divisors (1).

25025250269 is an equidigital number, since it uses as much as digits as its factorization.

25025250269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108000, while the sum is 38.

The spelling of 25025250269 in words is "twenty-five billion, twenty-five million, two hundred fifty thousand, two hundred sixty-nine".