5143240621 has 4 divisors (see below), whose sum is σ = 5262850912. Its totient is φ = 5023630332.

The previous prime is 5143240607. The next prime is 5143240631. The reversal of 5143240621 is 1260423415.

5143240621 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 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 5143240621 - 2⁵ = 5143240589 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5143240621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5143240601) 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, 59805081 + ... + 59805166.

It is an arithmetic number, because the mean of its divisors is an integer number (1315712728).

Almost surely, 2^5143240621 is an apocalyptic number.

It is an amenable number.

5143240621 is a deficient number, since it is larger than the sum of its proper divisors (119610291).

5143240621 is a wasteful number, since it uses less digits than its factorization.

5143240621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119610290.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 5143240621 is about 71716.3901838345. The cubic root of 5143240621 is about 1726.1516494729.

The spelling of 5143240621 in words is "five billion, one hundred forty-three million, two hundred forty thousand, six hundred twenty-one".