32193901 has 2 divisors, whose sum is σ = 32193902. Its totient is φ = 32193900.

The previous prime is 32193899. The next prime is 32193907. The reversal of 32193901 is 10939123.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31933801 + 260100 = 5651^2 + 510^2 .

It is a cyclic number.

It is not a de Polignac number, because 32193901 - 2¹ = 32193899 is a prime.

Together with 32193899, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 32193901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32193907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16096950 + 16096951.

It is an arithmetic number, because the mean of its divisors is an integer number (16096951).

Almost surely, 2^32193901 is an apocalyptic number.

It is an amenable number.

32193901 is a deficient number, since it is larger than the sum of its proper divisors (1).

32193901 is an equidigital number, since it uses as much as digits as its factorization.

32193901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1458, while the sum is 28.

The square root of 32193901 is about 5673.9669544332. The cubic root of 32193901 is about 318.1201667341.

The spelling of 32193901 in words is "thirty-two million, one hundred ninety-three thousand, nine hundred one".