26790901 has 2 divisors, whose sum is σ = 26790902. Its totient is φ = 26790900.

The previous prime is 26790899. The next prime is 26790919. The reversal of 26790901 is 10909762.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26728900 + 62001 = 5170^2 + 249^2 .

It is a cyclic number.

It is not a de Polignac number, because 26790901 - 2¹ = 26790899 is a prime.

Together with 26790899, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26790961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13395450 + 13395451.

It is an arithmetic number, because the mean of its divisors is an integer number (13395451).

Almost surely, 2^26790901 is an apocalyptic number.

It is an amenable number.

26790901 is a deficient number, since it is larger than the sum of its proper divisors (1).

26790901 is an equidigital number, since it uses as much as digits as its factorization.

26790901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6804, while the sum is 34.

The square root of 26790901 is about 5175.9927550181. The cubic root of 26790901 is about 299.2235514183.

The spelling of 26790901 in words is "twenty-six million, seven hundred ninety thousand, nine hundred one".