26616001 has 2 divisors, whose sum is σ = 26616002. Its totient is φ = 26616000.

The previous prime is 26615989. The next prime is 26616043. The reversal of 26616001 is 10061662.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25492401 + 1123600 = 5049^2 + 1060^2 .

It is a cyclic number.

It is not a de Polignac number, because 26616001 - 2¹¹ = 26613953 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (26616091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13308000 + 13308001.

It is an arithmetic number, because the mean of its divisors is an integer number (13308001).

Almost surely, 2^26616001 is an apocalyptic number.

It is an amenable number.

26616001 is a deficient number, since it is larger than the sum of its proper divisors (1).

26616001 is an equidigital number, since it uses as much as digits as its factorization.

26616001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 26616001 is about 5159.0697804934. The cubic root of 26616001 is about 298.5709853466.

Adding to 26616001 its reverse (10061662), we get a palindrome (36677663).

The spelling of 26616001 in words is "twenty-six million, six hundred sixteen thousand, one".