26317001 has 2 divisors, whose sum is σ = 26317002. Its totient is φ = 26317000.

The previous prime is 26316943. The next prime is 26317051. The reversal of 26317001 is 10071362.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16613776 + 9703225 = 4076^2 + 3115^2 .

It is a cyclic number.

It is not a de Polignac number, because 26317001 - 2¹⁰ = 26315977 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (26317051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13158500 + 13158501.

It is an arithmetic number, because the mean of its divisors is an integer number (13158501).

Almost surely, 2^26317001 is an apocalyptic number.

It is an amenable number.

26317001 is a deficient number, since it is larger than the sum of its proper divisors (1).

26317001 is an equidigital number, since it uses as much as digits as its factorization.

26317001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 26317001 is about 5130.0098440451. The cubic root of 26317001 is about 297.4487391378.

Adding to 26317001 its reverse (10071362), we get a palindrome (36388363).

The spelling of 26317001 in words is "twenty-six million, three hundred seventeen thousand, one".