64854133 has 8 divisors (see below), whose sum is σ = 68947200. Its totient is φ = 60792000.

The previous prime is 64854109. The next prime is 64854143. The reversal of 64854133 is 33145846.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-64854133 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 (64854143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3333 + ... + 11866.

It is an arithmetic number, because the mean of its divisors is an integer number (8618400).

Almost surely, 2^64854133 is an apocalyptic number.

It is an amenable number.

64854133 is a deficient number, since it is larger than the sum of its proper divisors (4093067).

64854133 is a wasteful number, since it uses less digits than its factorization.

64854133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15467.

The product of its digits is 34560, while the sum is 34.

The square root of 64854133 is about 8053.2063800700. The cubic root of 64854133 is about 401.7715858751.

Adding to 64854133 its reverse (33145846), we get a palindrome (97999979).

The spelling of 64854133 in words is "sixty-four million, eight hundred fifty-four thousand, one hundred thirty-three".