64004201 has 4 divisors (see below), whose sum is σ = 67769172. Its totient is φ = 60239232.

The previous prime is 64004173. The next prime is 64004207. The reversal of 64004201 is 10240046.

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 33918976 + 30085225 = 5824^2 + 5485^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64004201 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 3764953 = 64004201 / (6 + 4 + 0 + 0 + 4 + 2 + 0 + 1).

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 64004201.

It is not an unprimeable number, because it can be changed into a prime (64004207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1882460 + ... + 1882493.

It is an arithmetic number, because the mean of its divisors is an integer number (16942293).

Almost surely, 2^64004201 is an apocalyptic number.

It is an amenable number.

64004201 is a deficient number, since it is larger than the sum of its proper divisors (3764971).

64004201 is a wasteful number, since it uses less digits than its factorization.

64004201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3764970.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 64004201 is about 8000.2625581914. The cubic root of 64004201 is about 400.0087518918.

Adding to 64004201 its reverse (10240046), we get a palindrome (74244247).

It can be divided in two parts, 6400 and 4201, that added together give a palindrome (10601).

The spelling of 64004201 in words is "sixty-four million, four thousand, two hundred one".