25275169 has 2 divisors, whose sum is σ = 25275170. Its totient is φ = 25275168.

The previous prime is 25275163. The next prime is 25275191. The reversal of 25275169 is 96157252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23882769 + 1392400 = 4887^2 + 1180^2 .

It is a cyclic number.

It is not a de Polignac number, because 25275169 - 2³ = 25275161 is a prime.

It is a super-2 number, since 2×25275169² = 1277668335957122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (25275161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12637584 + 12637585.

It is an arithmetic number, because the mean of its divisors is an integer number (12637585).

Almost surely, 2^25275169 is an apocalyptic number.

It is an amenable number.

25275169 is a deficient number, since it is larger than the sum of its proper divisors (1).

25275169 is an equidigital number, since it uses as much as digits as its factorization.

25275169 is an evil number, because the sum of its binary digits is even.

The product of its digits is 37800, while the sum is 37.

The square root of 25275169 is about 5027.4415958815. The cubic root of 25275169 is about 293.4706604176.

The spelling of 25275169 in words is "twenty-five million, two hundred seventy-five thousand, one hundred sixty-nine".