32842921 has 2 divisors, whose sum is σ = 32842922. Its totient is φ = 32842920.

The previous prime is 32842913. The next prime is 32842933. The reversal of 32842921 is 12924823.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30913600 + 1929321 = 5560^2 + 1389^2 .

It is a cyclic number.

It is not a de Polignac number, because 32842921 - 2³ = 32842913 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (32842961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16421460 + 16421461.

It is an arithmetic number, because the mean of its divisors is an integer number (16421461).

Almost surely, 2^32842921 is an apocalyptic number.

It is an amenable number.

32842921 is a deficient number, since it is larger than the sum of its proper divisors (1).

32842921 is an equidigital number, since it uses as much as digits as its factorization.

32842921 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6912, while the sum is 31.

The square root of 32842921 is about 5730.8743660981. The cubic root of 32842921 is about 320.2436978270.

The spelling of 32842921 in words is "thirty-two million, eight hundred forty-two thousand, nine hundred twenty-one".