26863201 has 2 divisors, whose sum is σ = 26863202. Its totient is φ = 26863200.

The previous prime is 26863157. The next prime is 26863211. The reversal of 26863201 is 10236862.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23619600 + 3243601 = 4860^2 + 1801^2 .

It is a cyclic number.

It is not a de Polignac number, because 26863201 - 2¹⁹ = 26338913 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26863201.

It is not a weakly prime, because it can be changed into another prime (26863211) 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, 13431600 + 13431601.

It is an arithmetic number, because the mean of its divisors is an integer number (13431601).

Almost surely, 2^26863201 is an apocalyptic number.

It is an amenable number.

26863201 is a deficient number, since it is larger than the sum of its proper divisors (1).

26863201 is an equidigital number, since it uses as much as digits as its factorization.

26863201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 26863201 is about 5182.9722167884. The cubic root of 26863201 is about 299.4924789291.

It can be divided in two parts, 2686320 and 1, that added together give a square (2686321 = 1639²).

The spelling of 26863201 in words is "twenty-six million, eight hundred sixty-three thousand, two hundred one".