64243113 has 8 divisors (see below), whose sum is σ = 93444576. Its totient is φ = 38935200.

The previous prime is 64243103. The next prime is 64243141. The reversal of 64243113 is 31134246.

64243113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 64243113 - 2⁹ = 64242601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64243103) 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, 973348 + ... + 973413.

It is an arithmetic number, because the mean of its divisors is an integer number (11680572).

Almost surely, 2^64243113 is an apocalyptic number.

It is an amenable number.

64243113 is a deficient number, since it is larger than the sum of its proper divisors (29201463).

64243113 is a wasteful number, since it uses less digits than its factorization.

64243113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1946775.

The product of its digits is 1728, while the sum is 24.

The square root of 64243113 is about 8015.1801601711. The cubic root of 64243113 is about 400.5058454480.

Adding to 64243113 its reverse (31134246), we get a palindrome (95377359).

The spelling of 64243113 in words is "sixty-four million, two hundred forty-three thousand, one hundred thirteen".