26853091 has 2 divisors, whose sum is σ = 26853092. Its totient is φ = 26853090.

The previous prime is 26853067. The next prime is 26853097. The reversal of 26853091 is 19035862.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26853091 - 2⁷ = 26852963 is a prime.

It is not a weakly prime, because it can be changed into another prime (26853097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13426545 + 13426546.

It is an arithmetic number, because the mean of its divisors is an integer number (13426546).

Almost surely, 2^26853091 is an apocalyptic number.

26853091 is a deficient number, since it is larger than the sum of its proper divisors (1).

26853091 is an equidigital number, since it uses as much as digits as its factorization.

26853091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 26853091 is about 5181.9968159002. The cubic root of 26853091 is about 299.4549027558.

It can be divided in two parts, 2685 and 3091, that added together give a square (5776 = 76²).

The spelling of 26853091 in words is "twenty-six million, eight hundred fifty-three thousand, ninety-one".