26250559 has 2 divisors, whose sum is σ = 26250560. Its totient is φ = 26250558.

The previous prime is 26250547. The next prime is 26250569. The reversal of 26250559 is 95505262.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26250559 - 2⁵ = 26250527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26250569) 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, 13125279 + 13125280.

It is an arithmetic number, because the mean of its divisors is an integer number (13125280).

Almost surely, 2^26250559 is an apocalyptic number.

26250559 is a deficient number, since it is larger than the sum of its proper divisors (1).

26250559 is an equidigital number, since it uses as much as digits as its factorization.

26250559 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27000, while the sum is 34.

The square root of 26250559 is about 5123.5299355035. The cubic root of 26250559 is about 297.1982072437.

The spelling of 26250559 in words is "twenty-six million, two hundred fifty thousand, five hundred fifty-nine".