26975189 has 2 divisors, whose sum is σ = 26975190. Its totient is φ = 26975188.

The previous prime is 26975161. The next prime is 26975219. The reversal of 26975189 is 98157962.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25908100 + 1067089 = 5090^2 + 1033^2 .

It is a cyclic number.

It is not a de Polignac number, because 26975189 - 2¹² = 26971093 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 (26975129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13487594 + 13487595.

It is an arithmetic number, because the mean of its divisors is an integer number (13487595).

Almost surely, 2^26975189 is an apocalyptic number.

It is an amenable number.

26975189 is a deficient number, since it is larger than the sum of its proper divisors (1).

26975189 is an equidigital number, since it uses as much as digits as its factorization.

26975189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 272160, while the sum is 47.

The square root of 26975189 is about 5193.7644343963. The cubic root of 26975189 is about 299.9080792455.

The spelling of 26975189 in words is "twenty-six million, nine hundred seventy-five thousand, one hundred eighty-nine".