26000001 has 8 divisors (see below), whose sum is σ = 38518560. Its totient is φ = 17333316.

The previous prime is 25999949. The next prime is 26000003. The reversal of 26000001 is 10000062.

It is not a de Polignac number, because 26000001 - 2⁹ = 25999489 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (26000003) 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, 481455 + ... + 481508.

It is an arithmetic number, because the mean of its divisors is an integer number (4814820).

Almost surely, 2^26000001 is an apocalyptic number.

It is an amenable number.

26000001 is a deficient number, since it is larger than the sum of its proper divisors (12518559).

26000001 is an equidigital number, since it uses as much as digits as its factorization.

26000001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 962972 (or 962966 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 26000001 is about 5099.0196116509. The cubic root of 26000001 is about 296.2496106388.

Adding to 26000001 its reverse (10000062), we get a palindrome (36000063).

The spelling of 26000001 in words is "twenty-six million, one", and thus it is an aban number and an uban number.