25246427 has 2 divisors, whose sum is σ = 25246428. Its totient is φ = 25246426.

The previous prime is 25246399. The next prime is 25246453. The reversal of 25246427 is 72464252.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25246427 - 2⁸ = 25246171 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 25246393 and 25246402.

It is not a weakly prime, because it can be changed into another prime (25246477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12623213 + 12623214.

It is an arithmetic number, because the mean of its divisors is an integer number (12623214).

Almost surely, 2^25246427 is an apocalyptic number.

25246427 is a deficient number, since it is larger than the sum of its proper divisors (1).

25246427 is an equidigital number, since it uses as much as digits as its factorization.

25246427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26880, while the sum is 32.

The square root of 25246427 is about 5024.5822711943. The cubic root of 25246427 is about 293.3593768486.

The spelling of 25246427 in words is "twenty-five million, two hundred forty-six thousand, four hundred twenty-seven".