5640033 has 8 divisors (see below), whose sum is σ = 8594368. Its totient is φ = 3222864.

The previous prime is 5640031. The next prime is 5640043. The reversal of 5640033 is 3300465.

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

It is not a de Polignac number, because 5640033 - 2¹ = 5640031 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 268573 = 5640033 / (5 + 6 + 4 + 0 + 0 + 3 + 3).

It is a Duffinian number.

It is a Curzon number.

5640033 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 5639991 and 5640009.

It is not an unprimeable number, because it can be changed into a prime (5640031) 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, 134266 + ... + 134307.

It is an arithmetic number, because the mean of its divisors is an integer number (1074296).

Almost surely, 2^5640033 is an apocalyptic number.

It is an amenable number.

5640033 is a deficient number, since it is larger than the sum of its proper divisors (2954335).

5640033 is a wasteful number, since it uses less digits than its factorization.

5640033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268583.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 5640033 is about 2374.8753651508. The cubic root of 5640033 is about 178.0029562275.

Adding to 5640033 its reverse (3300465), we get a palindrome (8940498).

The spelling of 5640033 in words is "five million, six hundred forty thousand, thirty-three".