25596559 has 2 divisors, whose sum is σ = 25596560. Its totient is φ = 25596558.

The previous prime is 25596547. The next prime is 25596569. The reversal of 25596559 is 95569552.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25596559 - 2⁹ = 25596047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25596569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12798279 + 12798280.

It is an arithmetic number, because the mean of its divisors is an integer number (12798280).

Almost surely, 2^25596559 is an apocalyptic number.

25596559 is a deficient number, since it is larger than the sum of its proper divisors (1).

25596559 is an equidigital number, since it uses as much as digits as its factorization.

25596559 is an evil number, because the sum of its binary digits is even.

The product of its digits is 607500, while the sum is 46.

The square root of 25596559 is about 5059.3042011723. The cubic root of 25596559 is about 294.7093143491.

The spelling of 25596559 in words is "twenty-five million, five hundred ninety-six thousand, five hundred fifty-nine".