32988661 has 2 divisors, whose sum is σ = 32988662. Its totient is φ = 32988660.

The previous prime is 32988623. The next prime is 32988677. The reversal of 32988661 is 16688923.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23097636 + 9891025 = 4806^2 + 3145^2 .

It is an emirp because it is prime and its reverse (16688923) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 32988661 - 2⁷ = 32988533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32988691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16494330 + 16494331.

It is an arithmetic number, because the mean of its divisors is an integer number (16494331).

Almost surely, 2^32988661 is an apocalyptic number.

It is an amenable number.

32988661 is a deficient number, since it is larger than the sum of its proper divisors (1).

32988661 is an equidigital number, since it uses as much as digits as its factorization.

32988661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 124416, while the sum is 43.

The square root of 32988661 is about 5743.5756284740. The cubic root of 32988661 is about 320.7166911832.

The spelling of 32988661 in words is "thirty-two million, nine hundred eighty-eight thousand, six hundred sixty-one".