5143621 has 4 divisors (see below), whose sum is σ = 5878432. Its totient is φ = 4408812.

The previous prime is 5143609. The next prime is 5143637. The reversal of 5143621 is 1263415.

5143621 is digitally balanced in base 8, 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 a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5143621 - 2⁷ = 5143493 is a prime.

5143621 is strictly pandigital in base 8.

It is a junction number, because it is equal to n+sod(n) for n = 5143592 and 5143601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5143321) 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, 367395 + ... + 367408.

It is an arithmetic number, because the mean of its divisors is an integer number (1469608).

Almost surely, 2^5143621 is an apocalyptic number.

It is an amenable number.

5143621 is a deficient number, since it is larger than the sum of its proper divisors (734811).

5143621 is an equidigital number, since it uses as much as digits as its factorization.

5143621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 734810.

The product of its digits is 720, while the sum is 22.

The square root of 5143621 is about 2267.9552464720. The cubic root of 5143621 is about 172.6194202129.

The spelling of 5143621 in words is "five million, one hundred forty-three thousand, six hundred twenty-one".