32101649 has 2 divisors, whose sum is σ = 32101650. Its totient is φ = 32101648.

The previous prime is 32101631. The next prime is 32101669. The reversal of 32101649 is 94610123.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32035600 + 66049 = 5660^2 + 257^2 .

It is a cyclic number.

It is not a de Polignac number, because 32101649 - 2²⁰ = 31053073 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (32101669) 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, 16050824 + 16050825.

It is an arithmetic number, because the mean of its divisors is an integer number (16050825).

Almost surely, 2^32101649 is an apocalyptic number.

It is an amenable number.

32101649 is a deficient number, since it is larger than the sum of its proper divisors (1).

32101649 is an equidigital number, since it uses as much as digits as its factorization.

32101649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 32101649 is about 5665.8317129968. The cubic root of 32101649 is about 317.8160170140.

The spelling of 32101649 in words is "thirty-two million, one hundred one thousand, six hundred forty-nine".