32863661 has 2 divisors, whose sum is σ = 32863662. Its totient is φ = 32863660.

The previous prime is 32863639. The next prime is 32863667. The reversal of 32863661 is 16636823.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31147561 + 1716100 = 5581^2 + 1310^2 .

It is a cyclic number.

It is not a de Polignac number, because 32863661 - 2¹⁰ = 32862637 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32863667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16431830 + 16431831.

It is an arithmetic number, because the mean of its divisors is an integer number (16431831).

Almost surely, 2^32863661 is an apocalyptic number.

It is an amenable number.

32863661 is a deficient number, since it is larger than the sum of its proper divisors (1).

32863661 is an equidigital number, since it uses as much as digits as its factorization.

32863661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 35.

The square root of 32863661 is about 5732.6835775228. The cubic root of 32863661 is about 320.3110939506.

The spelling of 32863661 in words is "thirty-two million, eight hundred sixty-three thousand, six hundred sixty-one".