32963921 has 2 divisors, whose sum is σ = 32963922. Its totient is φ = 32963920.

The previous prime is 32963891. The next prime is 32963927. The reversal of 32963921 is 12936923.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30195025 + 2768896 = 5495^2 + 1664^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32963921 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (32963927) 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, 16481960 + 16481961.

It is an arithmetic number, because the mean of its divisors is an integer number (16481961).

Almost surely, 2^32963921 is an apocalyptic number.

It is an amenable number.

32963921 is a deficient number, since it is larger than the sum of its proper divisors (1).

32963921 is an equidigital number, since it uses as much as digits as its factorization.

32963921 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17496, while the sum is 35.

The square root of 32963921 is about 5741.4215138762. The cubic root of 32963921 is about 320.6364968069.

The spelling of 32963921 in words is "thirty-two million, nine hundred sixty-three thousand, nine hundred twenty-one".