64042113 has 4 divisors (see below), whose sum is σ = 85389488. Its totient is φ = 42694740.

The previous prime is 64042091. The next prime is 64042127. The reversal of 64042113 is 31124046.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 64042113 - 2²⁴ = 47264897 is a prime.

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 64042113.

It is not an unprimeable number, because it can be changed into a prime (64042133) 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, 10673683 + ... + 10673688.

It is an arithmetic number, because the mean of its divisors is an integer number (21347372).

Almost surely, 2^64042113 is an apocalyptic number.

It is an amenable number.

64042113 is a deficient number, since it is larger than the sum of its proper divisors (21347375).

64042113 is a wasteful number, since it uses less digits than its factorization.

64042113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21347374.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 64042113 is about 8002.6316296578. The cubic root of 64042113 is about 400.0877161799.

Adding to 64042113 its reverse (31124046), we get a palindrome (95166159).

The spelling of 64042113 in words is "sixty-four million, forty-two thousand, one hundred thirteen".