26806361 has 2 divisors, whose sum is σ = 26806362. Its totient is φ = 26806360.

The previous prime is 26806357. The next prime is 26806453. The reversal of 26806361 is 16360862.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25563136 + 1243225 = 5056^2 + 1115^2 .

It is a cyclic number.

It is not a de Polignac number, because 26806361 - 2² = 26806357 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (26806301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13403180 + 13403181.

It is an arithmetic number, because the mean of its divisors is an integer number (13403181).

Almost surely, 2^26806361 is an apocalyptic number.

It is an amenable number.

26806361 is a deficient number, since it is larger than the sum of its proper divisors (1).

26806361 is an equidigital number, since it uses as much as digits as its factorization.

26806361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 26806361 is about 5177.4859729409. The cubic root of 26806361 is about 299.2810971569.

The spelling of 26806361 in words is "twenty-six million, eight hundred six thousand, three hundred sixty-one".