25226245067 has 2 divisors, whose sum is σ = 25226245068. Its totient is φ = 25226245066.

The previous prime is 25226245027. The next prime is 25226245087. The reversal of 25226245067 is 76054262252.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25226245067 - 2¹⁸ = 25225982923 is a prime.

It is not a weakly prime, because it can be changed into another prime (25226245007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12613122533 + 12613122534.

It is an arithmetic number, because the mean of its divisors is an integer number (12613122534).

Almost surely, 2^25226245067 is an apocalyptic number.

25226245067 is a deficient number, since it is larger than the sum of its proper divisors (1).

25226245067 is an equidigital number, since it uses as much as digits as its factorization.

25226245067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 403200, while the sum is 41.

The spelling of 25226245067 in words is "twenty-five billion, two hundred twenty-six million, two hundred forty-five thousand, sixty-seven".