26986901 has 2 divisors, whose sum is σ = 26986902. Its totient is φ = 26986900.

The previous prime is 26986891. The next prime is 26986903. The reversal of 26986901 is 10968962.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14554225 + 12432676 = 3815^2 + 3526^2 .

It is a cyclic number.

It is not a de Polignac number, because 26986901 - 2¹⁸ = 26724757 is a prime.

Together with 26986903, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26986903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13493450 + 13493451.

It is an arithmetic number, because the mean of its divisors is an integer number (13493451).

Almost surely, 2^26986901 is an apocalyptic number.

It is an amenable number.

26986901 is a deficient number, since it is larger than the sum of its proper divisors (1).

26986901 is an equidigital number, since it uses as much as digits as its factorization.

26986901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 41.

The square root of 26986901 is about 5194.8918179304. The cubic root of 26986901 is about 299.9514773374.

The spelling of 26986901 in words is "twenty-six million, nine hundred eighty-six thousand, nine hundred one".