64001043 has 8 divisors (see below), whose sum is σ = 94816400. Its totient is φ = 42667344.

The previous prime is 64001023. The next prime is 64001059. The reversal of 64001043 is 34010046.

It is not a de Polignac number, because 64001043 - 2⁵ = 64001011 is a prime.

It is a super-2 number, since 2×64001043² = 8192267010175698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64001023) 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 7 ways as a sum of consecutive naturals, for example, 1185178 + ... + 1185231.

It is an arithmetic number, because the mean of its divisors is an integer number (11852050).

Almost surely, 2^64001043 is an apocalyptic number.

64001043 is a deficient number, since it is larger than the sum of its proper divisors (30815357).

64001043 is a wasteful number, since it uses less digits than its factorization.

64001043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2370418 (or 2370412 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 64001043 is about 8000.0651872344. The cubic root of 64001043 is about 400.0021729049.

Adding to 64001043 its reverse (34010046), we get a palindrome (98011089).

The spelling of 64001043 in words is "sixty-four million, one thousand, forty-three".