64383313 has 2 divisors, whose sum is σ = 64383314. Its totient is φ = 64383312.

The previous prime is 64383307. The next prime is 64383331. The reversal of 64383313 is 31338346.

Together with next prime (64383331) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59490369 + 4892944 = 7713^2 + 2212^2 .

It is a cyclic number.

It is not a de Polignac number, because 64383313 - 2¹³ = 64375121 is a prime.

It is not a weakly prime, because it can be changed into another prime (64383113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32191656 + 32191657.

It is an arithmetic number, because the mean of its divisors is an integer number (32191657).

Almost surely, 2^64383313 is an apocalyptic number.

It is an amenable number.

64383313 is a deficient number, since it is larger than the sum of its proper divisors (1).

64383313 is an equidigital number, since it uses as much as digits as its factorization.

64383313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 31.

The square root of 64383313 is about 8023.9212982182. The cubic root of 64383313 is about 400.7969797535.

The spelling of 64383313 in words is "sixty-four million, three hundred eighty-three thousand, three hundred thirteen".