26334991 has 2 divisors, whose sum is σ = 26334992. Its totient is φ = 26334990.

The previous prime is 26334983. The next prime is 26335013. The reversal of 26334991 is 19943362.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26334991 - 2³ = 26334983 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26334991.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26304991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13167495 + 13167496.

It is an arithmetic number, because the mean of its divisors is an integer number (13167496).

Almost surely, 2^26334991 is an apocalyptic number.

26334991 is a deficient number, since it is larger than the sum of its proper divisors (1).

26334991 is an equidigital number, since it uses as much as digits as its factorization.

26334991 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34992, while the sum is 37.

The square root of 26334991 is about 5131.7629524365. The cubic root of 26334991 is about 297.5165012150.

The spelling of 26334991 in words is "twenty-six million, three hundred thirty-four thousand, nine hundred ninety-one".