18064313 has 8 divisors (see below), whose sum is σ = 18635400. Its totient is φ = 17499520.

The previous prime is 18064297. The next prime is 18064331. The reversal of 18064313 is 31346081.

It can be written as a sum of positive squares in 4 ways, for example, as 1352569 + 16711744 = 1163^2 + 4088^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 18064313 - 2⁴ = 18064297 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (18064363) 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 7 ways as a sum of consecutive naturals, for example, 4631 + ... + 7587.

It is an arithmetic number, because the mean of its divisors is an integer number (2329425).

Almost surely, 2^18064313 is an apocalyptic number.

It is an amenable number.

18064313 is a deficient number, since it is larger than the sum of its proper divisors (571087).

18064313 is a wasteful number, since it uses less digits than its factorization.

18064313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3147.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 18064313 is about 4250.2132887656. The cubic root of 18064313 is about 262.3858938682.

The spelling of 18064313 in words is "eighteen million, sixty-four thousand, three hundred thirteen".