64335361 has 4 divisors (see below), whose sum is σ = 68119812. Its totient is φ = 60550912.

The previous prime is 64335319. The next prime is 64335367. The reversal of 64335361 is 16353346.

64335361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 33466225 + 30869136 = 5785^2 + 5556^2 .

It is a cyclic number.

It is not a de Polignac number, because 64335361 - 2⁷ = 64335233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64335367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1892200 + ... + 1892233.

It is an arithmetic number, because the mean of its divisors is an integer number (17029953).

Almost surely, 2^64335361 is an apocalyptic number.

It is an amenable number.

64335361 is a deficient number, since it is larger than the sum of its proper divisors (3784451).

64335361 is a wasteful number, since it uses less digits than its factorization.

64335361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3784450.

The product of its digits is 19440, while the sum is 31.

The square root of 64335361 is about 8020.9326764411. The cubic root of 64335361 is about 400.6974519452.

The spelling of 64335361 in words is "sixty-four million, three hundred thirty-five thousand, three hundred sixty-one".