32285021 has 2 divisors, whose sum is σ = 32285022. Its totient is φ = 32285020.

The previous prime is 32284991. The next prime is 32285039. The reversal of 32285021 is 12058223.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25452025 + 6832996 = 5045^2 + 2614^2 .

It is a cyclic number.

It is not a de Polignac number, because 32285021 - 2⁶ = 32284957 is a prime.

It is a Sophie Germain prime.

It is a Chen 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 (32285821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16142510 + 16142511.

It is an arithmetic number, because the mean of its divisors is an integer number (16142511).

Almost surely, 2^32285021 is an apocalyptic number.

It is an amenable number.

32285021 is a deficient number, since it is larger than the sum of its proper divisors (1).

32285021 is an equidigital number, since it uses as much as digits as its factorization.

32285021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 32285021 is about 5681.9909362828. The cubic root of 32285021 is about 318.4200144664.

The spelling of 32285021 in words is "thirty-two million, two hundred eighty-five thousand, twenty-one".