25086427 has 2 divisors, whose sum is σ = 25086428. Its totient is φ = 25086426.

The previous prime is 25086401. The next prime is 25086443. The reversal of 25086427 is 72468052.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25086427 - 2¹⁵ = 25053659 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25086392 and 25086401.

It is not a weakly prime, because it can be changed into another prime (25086487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12543213 + 12543214.

It is an arithmetic number, because the mean of its divisors is an integer number (12543214).

Almost surely, 2^25086427 is an apocalyptic number.

25086427 is a deficient number, since it is larger than the sum of its proper divisors (1).

25086427 is an equidigital number, since it uses as much as digits as its factorization.

25086427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 25086427 is about 5008.6352432574. The cubic root of 25086427 is about 292.7383383833.

The spelling of 25086427 in words is "twenty-five million, eighty-six thousand, four hundred twenty-seven".