39532081 has 2 divisors, whose sum is σ = 39532082. Its totient is φ = 39532080.

The previous prime is 39532049. The next prime is 39532091. The reversal of 39532081 is 18023593.

It is a happy number.

39532081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38750625 + 781456 = 6225^2 + 884^2 .

It is a cyclic number.

It is not a de Polignac number, because 39532081 - 2⁵ = 39532049 is a prime.

It is a super-2 number, since 2×39532081² = 3125570856381122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (39532091) 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, 19766040 + 19766041.

It is an arithmetic number, because the mean of its divisors is an integer number (19766041).

Almost surely, 2^39532081 is an apocalyptic number.

It is an amenable number.

39532081 is a deficient number, since it is larger than the sum of its proper divisors (1).

39532081 is an equidigital number, since it uses as much as digits as its factorization.

39532081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 39532081 is about 6287.4542543067. The cubic root of 39532081 is about 340.6564049377.

The spelling of 39532081 in words is "thirty-nine million, five hundred thirty-two thousand, eighty-one".