25606423 has 2 divisors, whose sum is σ = 25606424. Its totient is φ = 25606422.

The previous prime is 25606417. The next prime is 25606463. The reversal of 25606423 is 32460652.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25606423 - 2⁹ = 25605911 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25606391 and 25606400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25606463) 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, 12803211 + 12803212.

It is an arithmetic number, because the mean of its divisors is an integer number (12803212).

Almost surely, 2^25606423 is an apocalyptic number.

25606423 is a deficient number, since it is larger than the sum of its proper divisors (1).

25606423 is an equidigital number, since it uses as much as digits as its factorization.

25606423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 25606423 is about 5060.2789448804. The cubic root of 25606423 is about 294.7471663033.

The spelling of 25606423 in words is "twenty-five million, six hundred six thousand, four hundred twenty-three".