32064281 has 2 divisors, whose sum is σ = 32064282. Its totient is φ = 32064280.

The previous prime is 32064271. The next prime is 32064289. The reversal of 32064281 is 18246023.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32024281 + 40000 = 5659^2 + 200^2 .

It is a cyclic number.

It is not a de Polignac number, because 32064281 - 2⁶ = 32064217 is a prime.

It is a super-2 number, since 2×32064281² = 2056236232093922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 32064281.

It is not a weakly prime, because it can be changed into another prime (32064289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16032140 + 16032141.

It is an arithmetic number, because the mean of its divisors is an integer number (16032141).

Almost surely, 2^32064281 is an apocalyptic number.

It is an amenable number.

32064281 is a deficient number, since it is larger than the sum of its proper divisors (1).

32064281 is an equidigital number, since it uses as much as digits as its factorization.

32064281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 32064281 is about 5662.5330904110. The cubic root of 32064281 is about 317.6926509728.

The spelling of 32064281 in words is "thirty-two million, sixty-four thousand, two hundred eighty-one".