64323361 has 2 divisors, whose sum is σ = 64323362. Its totient is φ = 64323360.

The previous prime is 64323349. The next prime is 64323403. The reversal of 64323361 is 16332346.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55413136 + 8910225 = 7444^2 + 2985^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64323361 is a prime.

It is not a weakly prime, because it can be changed into another prime (64323331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32161680 + 32161681.

It is an arithmetic number, because the mean of its divisors is an integer number (32161681).

Almost surely, 2^64323361 is an apocalyptic number.

It is an amenable number.

64323361 is a deficient number, since it is larger than the sum of its proper divisors (1).

64323361 is an equidigital number, since it uses as much as digits as its factorization.

64323361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776, while the sum is 28.

The square root of 64323361 is about 8020.1845988730. The cubic root of 64323361 is about 400.6725373500.

The spelling of 64323361 in words is "sixty-four million, three hundred twenty-three thousand, three hundred sixty-one".