108889213 has 2 divisors, whose sum is σ = 108889214. Its totient is φ = 108889212.

The previous prime is 108889181. The next prime is 108889219. The reversal of 108889213 is 312988801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 104407524 + 4481689 = 10218^2 + 2117^2 .

It is a cyclic number.

It is not a de Polignac number, because 108889213 - 2⁵ = 108889181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (108889219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54444606 + 54444607.

It is an arithmetic number, because the mean of its divisors is an integer number (54444607).

Almost surely, 2^108889213 is an apocalyptic number.

It is an amenable number.

108889213 is a deficient number, since it is larger than the sum of its proper divisors (1).

108889213 is an equidigital number, since it uses as much as digits as its factorization.

108889213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 40.

The square root of 108889213 is about 10434.9994250120. Note that the first 3 decimals coincide. The cubic root of 108889213 is about 477.5237242308.

The spelling of 108889213 in words is "one hundred eight million, eight hundred eighty-nine thousand, two hundred thirteen".