26342891 has 2 divisors, whose sum is σ = 26342892. Its totient is φ = 26342890.

The previous prime is 26342887. The next prime is 26342929. The reversal of 26342891 is 19824362.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26342891 - 2² = 26342887 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (26342801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13171445 + 13171446.

It is an arithmetic number, because the mean of its divisors is an integer number (13171446).

Almost surely, 2^26342891 is an apocalyptic number.

26342891 is a deficient number, since it is larger than the sum of its proper divisors (1).

26342891 is an equidigital number, since it uses as much as digits as its factorization.

26342891 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 35.

The square root of 26342891 is about 5132.5326107098. The cubic root of 26342891 is about 297.5462480181.

The spelling of 26342891 in words is "twenty-six million, three hundred forty-two thousand, eight hundred ninety-one".