6224539 has 4 divisors (see below), whose sum is σ = 6357024. Its totient is φ = 6092056.

The previous prime is 6224527. The next prime is 6224573. The reversal of 6224539 is 9354226.

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 6224539 - 2⁵ = 6224507 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 6224539.

It is not an unprimeable number, because it can be changed into a prime (6224509) 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, 66172 + ... + 66265.

It is an arithmetic number, because the mean of its divisors is an integer number (1589256).

Almost surely, 2^6224539 is an apocalyptic number.

6224539 is a deficient number, since it is larger than the sum of its proper divisors (132485).

6224539 is a wasteful number, since it uses less digits than its factorization.

6224539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132484.

The product of its digits is 12960, while the sum is 31.

The square root of 6224539 is about 2494.9026033094. The cubic root of 6224539 is about 183.9511035007.

The spelling of 6224539 in words is "six million, two hundred twenty-four thousand, five hundred thirty-nine".