25238315227 has 2 divisors, whose sum is σ = 25238315228. Its totient is φ = 25238315226.

The previous prime is 25238315203. The next prime is 25238315251. The reversal of 25238315227 is 72251383252.

It is a balanced prime because it is at equal distance from previous prime (25238315203) and next prime (25238315251).

It is a cyclic number.

It is not a de Polignac number, because 25238315227 - 2³¹ = 23090831579 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25238315227.

It is not a weakly prime, because it can be changed into another prime (25238315287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12619157613 + 12619157614.

It is an arithmetic number, because the mean of its divisors is an integer number (12619157614).

Almost surely, 2^25238315227 is an apocalyptic number.

25238315227 is a deficient number, since it is larger than the sum of its proper divisors (1).

25238315227 is an equidigital number, since it uses as much as digits as its factorization.

25238315227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 201600, while the sum is 40.

Adding to 25238315227 its reverse (72251383252), we get a palindrome (97489698479).

The spelling of 25238315227 in words is "twenty-five billion, two hundred thirty-eight million, three hundred fifteen thousand, two hundred twenty-seven".