5321643 has 4 divisors (see below), whose sum is σ = 7095528. Its totient is φ = 3547760.

The previous prime is 5321639. The next prime is 5321647. The reversal of 5321643 is 3461235.

It is a happy number.

5321643 is digitally balanced in base 4, 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.

It is an interprime number because it is at equal distance from previous prime (5321639) and next prime (5321647).

It is a cyclic number.

It is not a de Polignac number, because 5321643 - 2² = 5321639 is a prime.

It is a D-number.

5321643 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5321647) 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, 886938 + ... + 886943.

It is an arithmetic number, because the mean of its divisors is an integer number (1773882).

Almost surely, 2^5321643 is an apocalyptic number.

5321643 is a deficient number, since it is larger than the sum of its proper divisors (1773885).

5321643 is a wasteful number, since it uses less digits than its factorization.

5321643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1773884.

The product of its digits is 2160, while the sum is 24.

The square root of 5321643 is about 2306.8686568593. The cubic root of 5321643 is about 174.5883439772.

Adding to 5321643 its reverse (3461235), we get a palindrome (8782878).

The spelling of 5321643 in words is "five million, three hundred twenty-one thousand, six hundred forty-three".