26010001 has 8 divisors (see below), whose sum is σ = 26953704. Its totient is φ = 25079040.

The previous prime is 26009989. The next prime is 26010007. The reversal of 26010001 is 10001062.

It is a Cunningham number, because it is equal to 5100²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 1 + 26010000 = 1^2 + 5100^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 26010001 - 2⁷ = 26009873 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 26010001.

It is not an unprimeable number, because it can be changed into a prime (26010007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1071 + ... + 7291.

It is an arithmetic number, because the mean of its divisors is an integer number (3369213).

Almost surely, 2^26010001 is an apocalyptic number.

It is an amenable number.

26010001 is a deficient number, since it is larger than the sum of its proper divisors (943703).

26010001 is a wasteful number, since it uses less digits than its factorization.

26010001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6371.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 26010001 is about 5100.0000980392. Note that the first 4 decimals coincide. The cubic root of 26010001 is about 296.2875864884.

Adding to 26010001 its reverse (10001062), we get a palindrome (36011063).

The spelling of 26010001 in words is "twenty-six million, ten thousand, one".