5999539 has 8 divisors (see below), whose sum is σ = 7384160. Its totient is φ = 4746816.

The previous prime is 5999537. The next prime is 5999551. The reversal of 5999539 is 9359995.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5999539 - 2¹ = 5999537 is a prime.

5999539 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 5999492 and 5999501.

It is not an unprimeable number, because it can be changed into a prime (5999537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32874 + ... + 33055.

It is an arithmetic number, because the mean of its divisors is an integer number (923020).

Almost surely, 2^5999539 is an apocalyptic number.

5999539 is a deficient number, since it is larger than the sum of its proper divisors (1384621).

5999539 is a wasteful number, since it uses less digits than its factorization.

5999539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65949.

The product of its digits is 492075, while the sum is 49.

The square root of 5999539 is about 2449.3956397446. The cubic root of 5999539 is about 181.7074053163.

The spelling of 5999539 in words is "five million, nine hundred ninety-nine thousand, five hundred thirty-nine".