26654189 has 2 divisors, whose sum is σ = 26654190. Its totient is φ = 26654188.

The previous prime is 26654179. The next prime is 26654197. The reversal of 26654189 is 98145662.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19272100 + 7382089 = 4390^2 + 2717^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26654189 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26654129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13327094 + 13327095.

It is an arithmetic number, because the mean of its divisors is an integer number (13327095).

Almost surely, 2^26654189 is an apocalyptic number.

It is an amenable number.

26654189 is a deficient number, since it is larger than the sum of its proper divisors (1).

26654189 is an equidigital number, since it uses as much as digits as its factorization.

26654189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 103680, while the sum is 41.

The square root of 26654189 is about 5162.7695087036. The cubic root of 26654189 is about 298.7137112718.

The spelling of 26654189 in words is "twenty-six million, six hundred fifty-four thousand, one hundred eighty-nine".