32321197 has 2 divisors, whose sum is σ = 32321198. Its totient is φ = 32321196.

The previous prime is 32321173. The next prime is 32321213. The reversal of 32321197 is 79112323.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24890121 + 7431076 = 4989^2 + 2726^2 .

It is an emirp because it is prime and its reverse (79112323) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32321197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32321137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16160598 + 16160599.

It is an arithmetic number, because the mean of its divisors is an integer number (16160599).

Almost surely, 2^32321197 is an apocalyptic number.

It is an amenable number.

32321197 is a deficient number, since it is larger than the sum of its proper divisors (1).

32321197 is an equidigital number, since it uses as much as digits as its factorization.

32321197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2268, while the sum is 28.

The square root of 32321197 is about 5685.1734362287. The cubic root of 32321197 is about 318.5389020318.

The spelling of 32321197 in words is "thirty-two million, three hundred twenty-one thousand, one hundred ninety-seven".