32812643 has 2 divisors, whose sum is σ = 32812644. Its totient is φ = 32812642.

The previous prime is 32812613. The next prime is 32812657. The reversal of 32812643 is 34621823.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 32812643 - 2⁸ = 32812387 is a prime.

It is not a weakly prime, because it can be changed into another prime (32812613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16406321 + 16406322.

It is an arithmetic number, because the mean of its divisors is an integer number (16406322).

Almost surely, 2^32812643 is an apocalyptic number.

32812643 is a deficient number, since it is larger than the sum of its proper divisors (1).

32812643 is an equidigital number, since it uses as much as digits as its factorization.

32812643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6912, while the sum is 29.

The square root of 32812643 is about 5728.2321007445. The cubic root of 32812643 is about 320.1452563200.

The spelling of 32812643 in words is "thirty-two million, eight hundred twelve thousand, six hundred forty-three".