32217313 has 2 divisors, whose sum is σ = 32217314. Its totient is φ = 32217312.

The previous prime is 32217287. The next prime is 32217337. The reversal of 32217313 is 31371223.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27123264 + 5094049 = 5208^2 + 2257^2 .

It is a cyclic number.

It is not a de Polignac number, because 32217313 - 2²¹ = 30120161 is a prime.

It is not a weakly prime, because it can be changed into another prime (32217373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16108656 + 16108657.

It is an arithmetic number, because the mean of its divisors is an integer number (16108657).

Almost surely, 2^32217313 is an apocalyptic number.

It is an amenable number.

32217313 is a deficient number, since it is larger than the sum of its proper divisors (1).

32217313 is an equidigital number, since it uses as much as digits as its factorization.

32217313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 756, while the sum is 22.

The square root of 32217313 is about 5676.0296863212. The cubic root of 32217313 is about 318.1972623375.

Adding to 32217313 its reverse (31371223), we get a palindrome (63588536).

The spelling of 32217313 in words is "thirty-two million, two hundred seventeen thousand, three hundred thirteen".