621160543 has 4 divisors (see below), whose sum is σ = 623469960. Its totient is φ = 618851128.

The previous prime is 621160513. The next prime is 621160567. The reversal of 621160543 is 345061126.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 621160543 - 2⁹ = 621160031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (621160513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1154305 + ... + 1154842.

It is an arithmetic number, because the mean of its divisors is an integer number (155867490).

Almost surely, 2^621160543 is an apocalyptic number.

621160543 is a deficient number, since it is larger than the sum of its proper divisors (2309417).

621160543 is a wasteful number, since it uses less digits than its factorization.

621160543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2309416.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 621160543 is about 24923.0925649286. The cubic root of 621160543 is about 853.2336082225.

The spelling of 621160543 in words is "six hundred twenty-one million, one hundred sixty thousand, five hundred forty-three".