25575227 has 2 divisors, whose sum is σ = 25575228. Its totient is φ = 25575226.

The previous prime is 25575181. The next prime is 25575229. The reversal of 25575227 is 72257552.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25575227 - 2⁶ = 25575163 is a prime.

It is a super-2 number, since 2×25575227² = 1308184472203058, which contains 22 as substring.

Together with 25575229, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (25575229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12787613 + 12787614.

It is an arithmetic number, because the mean of its divisors is an integer number (12787614).

Almost surely, 2^25575227 is an apocalyptic number.

25575227 is a deficient number, since it is larger than the sum of its proper divisors (1).

25575227 is an equidigital number, since it uses as much as digits as its factorization.

25575227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 49000, while the sum is 35.

The square root of 25575227 is about 5057.1955667148. The cubic root of 25575227 is about 294.6274220090.

The spelling of 25575227 in words is "twenty-five million, five hundred seventy-five thousand, two hundred twenty-seven".