25202397067 has 2 divisors, whose sum is σ = 25202397068. Its totient is φ = 25202397066.

The previous prime is 25202397043. The next prime is 25202397071. The reversal of 25202397067 is 76079320252.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25202397067 - 2⁷ = 25202396939 is a prime.

It is not a weakly prime, because it can be changed into another prime (25202397037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12601198533 + 12601198534.

It is an arithmetic number, because the mean of its divisors is an integer number (12601198534).

Almost surely, 2^25202397067 is an apocalyptic number.

25202397067 is a deficient number, since it is larger than the sum of its proper divisors (1).

25202397067 is an equidigital number, since it uses as much as digits as its factorization.

25202397067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 317520, while the sum is 43.

The spelling of 25202397067 in words is "twenty-five billion, two hundred two million, three hundred ninety-seven thousand, sixty-seven".