25389227 has 2 divisors, whose sum is σ = 25389228. Its totient is φ = 25389226.

The previous prime is 25389167. The next prime is 25389233. The reversal of 25389227 is 72298352.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25389227 - 2⁸ = 25388971 is a prime.

It is a super-2 number, since 2×25389227² = 1289225695315058, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (25389277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12694613 + 12694614.

It is an arithmetic number, because the mean of its divisors is an integer number (12694614).

Almost surely, 2^25389227 is an apocalyptic number.

25389227 is a deficient number, since it is larger than the sum of its proper divisors (1).

25389227 is an equidigital number, since it uses as much as digits as its factorization.

25389227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 38.

The square root of 25389227 is about 5038.7723703299. The cubic root of 25389227 is about 293.9114415426.

The spelling of 25389227 in words is "twenty-five million, three hundred eighty-nine thousand, two hundred twenty-seven".