32104921 has 2 divisors, whose sum is σ = 32104922. Its totient is φ = 32104920.

The previous prime is 32104913. The next prime is 32104939. The reversal of 32104921 is 12940123.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32080896 + 24025 = 5664^2 + 155^2 .

It is a cyclic number.

It is not a de Polignac number, because 32104921 - 2³ = 32104913 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 32104892 and 32104901.

It is not a weakly prime, because it can be changed into another prime (32104951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16052460 + 16052461.

It is an arithmetic number, because the mean of its divisors is an integer number (16052461).

Almost surely, 2^32104921 is an apocalyptic number.

It is an amenable number.

32104921 is a deficient number, since it is larger than the sum of its proper divisors (1).

32104921 is an equidigital number, since it uses as much as digits as its factorization.

32104921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 32104921 is about 5666.1204540673. The cubic root of 32104921 is about 317.8268145765.

The spelling of 32104921 in words is "thirty-two million, one hundred four thousand, nine hundred twenty-one".