32521873 has 2 divisors, whose sum is σ = 32521874. Its totient is φ = 32521872.

The previous prime is 32521871. The next prime is 32521877. The reversal of 32521873 is 37812523.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28804689 + 3717184 = 5367^2 + 1928^2 .

It is a cyclic number.

It is not a de Polignac number, because 32521873 - 2¹ = 32521871 is a prime.

Together with 32521871, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (32521871) 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, 16260936 + 16260937.

It is an arithmetic number, because the mean of its divisors is an integer number (16260937).

Almost surely, 2^32521873 is an apocalyptic number.

It is an amenable number.

32521873 is a deficient number, since it is larger than the sum of its proper divisors (1).

32521873 is an equidigital number, since it uses as much as digits as its factorization.

32521873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10080, while the sum is 31.

The square root of 32521873 is about 5702.7951918336. The cubic root of 32521873 is about 319.1967909479.

The spelling of 32521873 in words is "thirty-two million, five hundred twenty-one thousand, eight hundred seventy-three".