5133643 has 4 divisors (see below), whose sum is σ = 5435640. Its totient is φ = 4831648.

The previous prime is 5133637. The next prime is 5133659. The reversal of 5133643 is 3463315.

5133643 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3463315 = 5 ⋅692663.

It is a cyclic number.

It is not a de Polignac number, because 5133643 - 2²¹ = 3036491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5133613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150973 + ... + 151006.

It is an arithmetic number, because the mean of its divisors is an integer number (1358910).

Almost surely, 2^5133643 is an apocalyptic number.

5133643 is a deficient number, since it is larger than the sum of its proper divisors (301997).

5133643 is a wasteful number, since it uses less digits than its factorization.

5133643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301996.

The product of its digits is 3240, while the sum is 25.

The square root of 5133643 is about 2265.7543997530. The cubic root of 5133643 is about 172.5077277221.

Adding to 5133643 its reverse (3463315), we get a palindrome (8596958).

It can be divided in two parts, 5133 and 643, that added together give a square (5776 = 76²).

The spelling of 5133643 in words is "five million, one hundred thirty-three thousand, six hundred forty-three".