32800643 has 2 divisors, whose sum is σ = 32800644. Its totient is φ = 32800642.

The previous prime is 32800613. The next prime is 32800657. The reversal of 32800643 is 34600823.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 32800643 - 2²⁰ = 31752067 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (32800613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16400321 + 16400322.

It is an arithmetic number, because the mean of its divisors is an integer number (16400322).

Almost surely, 2^32800643 is an apocalyptic number.

32800643 is a deficient number, since it is larger than the sum of its proper divisors (1).

32800643 is an equidigital number, since it uses as much as digits as its factorization.

32800643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 32800643 is about 5727.1845613704. The cubic root of 32800643 is about 320.1062245003.

The spelling of 32800643 in words is "thirty-two million, eight hundred thousand, six hundred forty-three".