64242983 has 16 divisors (see below), whose sum is σ = 78004224. Its totient is φ = 51649920.

The previous prime is 64242953. The next prime is 64242991. The reversal of 64242983 is 38924246.

It is a happy number.

64242983 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 64242983 - 2⁸ = 64242727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64242953) 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 15 ways as a sum of consecutive naturals, for example, 42938 + ... + 44408.

It is an arithmetic number, because the mean of its divisors is an integer number (4875264).

Almost surely, 2^64242983 is an apocalyptic number.

64242983 is a deficient number, since it is larger than the sum of its proper divisors (13761241).

64242983 is a wasteful number, since it uses less digits than its factorization.

64242983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1862.

The product of its digits is 82944, while the sum is 38.

The square root of 64242983 is about 8015.1720505551. The cubic root of 64242983 is about 400.5055752982.

The spelling of 64242983 in words is "sixty-four million, two hundred forty-two thousand, nine hundred eighty-three".