26850563 has 2 divisors, whose sum is σ = 26850564. Its totient is φ = 26850562.

The previous prime is 26850529. The next prime is 26850569. The reversal of 26850563 is 36505862.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26850563 - 2¹⁶ = 26785027 is a prime.

It is not a weakly prime, because it can be changed into another prime (26850569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13425281 + 13425282.

It is an arithmetic number, because the mean of its divisors is an integer number (13425282).

Almost surely, 2^26850563 is an apocalyptic number.

26850563 is a deficient number, since it is larger than the sum of its proper divisors (1).

26850563 is an equidigital number, since it uses as much as digits as its factorization.

26850563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 26850563 is about 5181.7528887433. The cubic root of 26850563 is about 299.4455053801.

The spelling of 26850563 in words is "twenty-six million, eight hundred fifty thousand, five hundred sixty-three".