32981089 has 2 divisors, whose sum is σ = 32981090. Its totient is φ = 32981088.

The previous prime is 32981087. The next prime is 32981099. The reversal of 32981089 is 98018923.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32947600 + 33489 = 5740^2 + 183^2 .

It is a cyclic number.

It is not a de Polignac number, because 32981089 - 2¹ = 32981087 is a prime.

Together with 32981087, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (32981083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16490544 + 16490545.

It is an arithmetic number, because the mean of its divisors is an integer number (16490545).

Almost surely, 2^32981089 is an apocalyptic number.

It is an amenable number.

32981089 is a deficient number, since it is larger than the sum of its proper divisors (1).

32981089 is an equidigital number, since it uses as much as digits as its factorization.

32981089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 40.

The square root of 32981089 is about 5742.9164193814. The cubic root of 32981089 is about 320.6921509064.

It can be divided in two parts, 329 and 81089, that added together give a palindrome (81418).

The spelling of 32981089 in words is "thirty-two million, nine hundred eighty-one thousand, eighty-nine".