64242333 has 12 divisors (see below), whose sum is σ = 94316508. Its totient is φ = 42125760.

The previous prime is 64242329. The next prime is 64242361. The reversal of 64242333 is 33324246.

It is a happy number.

64242333 is a `hidden beast` number, since 6 + 424 + 233 + 3 = 666.

64242333 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 13860729 + 50381604 = 3723^2 + 7098^2 .

It is not a de Polignac number, because 64242333 - 2² = 64242329 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 64242297 and 64242306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64242313) 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 11 ways as a sum of consecutive naturals, for example, 57960 + ... + 59057.

It is an arithmetic number, because the mean of its divisors is an integer number (7859709).

Almost surely, 2^64242333 is an apocalyptic number.

It is an amenable number.

64242333 is a deficient number, since it is larger than the sum of its proper divisors (30074175).

64242333 is a wasteful number, since it uses less digits than its factorization.

64242333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117084 (or 117081 counting only the distinct ones).

The product of its digits is 10368, while the sum is 27.

The square root of 64242333 is about 8015.1315023523. The cubic root of 64242333 is about 400.5042245436.

Adding to 64242333 its reverse (33324246), we get a palindrome (97566579).

The spelling of 64242333 in words is "sixty-four million, two hundred forty-two thousand, three hundred thirty-three".