6653233 has 6 divisors (see below), whose sum is σ = 6955634. Its totient is φ = 6363456.

The previous prime is 6653221. The next prime is 6653243. The reversal of 6653233 is 3323566.

It can be written as a sum of positive squares in only one way, i.e., 6517809 + 135424 = 2553^2 + 368^2 .

It is a de Polignac number, because none of the positive numbers 2^k-6653233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6653243) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5760 + ... + 6817.

Almost surely, 2^6653233 is an apocalyptic number.

It is an amenable number.

6653233 is a deficient number, since it is larger than the sum of its proper divisors (302401).

6653233 is a wasteful number, since it uses less digits than its factorization.

6653233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12623 (or 12600 counting only the distinct ones).

The product of its digits is 9720, while the sum is 28.

The square root of 6653233 is about 2579.3861672886. The cubic root of 6653233 is about 188.0807051264.

Adding to 6653233 its reverse (3323566), we get a palindrome (9976799).

It can be divided in two parts, 6653 and 233, that added together give a palindrome (6886).

The spelling of 6653233 in words is "six million, six hundred fifty-three thousand, two hundred thirty-three".