25251227 has 2 divisors, whose sum is σ = 25251228. Its totient is φ = 25251226.

The previous prime is 25251223. The next prime is 25251287. The reversal of 25251227 is 72215252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25251227 - 2² = 25251223 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 25251196 and 25251205.

It is not a weakly prime, because it can be changed into another prime (25251223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12625613 + 12625614.

It is an arithmetic number, because the mean of its divisors is an integer number (12625614).

Almost surely, 2^25251227 is an apocalyptic number.

25251227 is a deficient number, since it is larger than the sum of its proper divisors (1).

25251227 is an equidigital number, since it uses as much as digits as its factorization.

25251227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2800, while the sum is 26.

The square root of 25251227 is about 5025.0599001405. The cubic root of 25251227 is about 293.3779674103.

Adding to 25251227 its reverse (72215252), we get a palindrome (97466479).

The spelling of 25251227 in words is "twenty-five million, two hundred fifty-one thousand, two hundred twenty-seven".