64330337 has 2 divisors, whose sum is σ = 64330338. Its totient is φ = 64330336.

The previous prime is 64330319. The next prime is 64330339. The reversal of 64330337 is 73303346.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43573201 + 20757136 = 6601^2 + 4556^2 .

It is a cyclic number.

It is not a de Polignac number, because 64330337 - 2⁸ = 64330081 is a prime.

Together with 64330339, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (64330339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32165168 + 32165169.

It is an arithmetic number, because the mean of its divisors is an integer number (32165169).

Almost surely, 2^64330337 is an apocalyptic number.

It is an amenable number.

64330337 is a deficient number, since it is larger than the sum of its proper divisors (1).

64330337 is an equidigital number, since it uses as much as digits as its factorization.

64330337 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 29.

The square root of 64330337 is about 8020.6194897900. The cubic root of 64330337 is about 400.6870214117.

The spelling of 64330337 in words is "sixty-four million, three hundred thirty thousand, three hundred thirty-seven".