6117539 has 4 divisors (see below), whose sum is σ = 6149760. Its totient is φ = 6085320.

The previous prime is 6117491. The next prime is 6117541. The reversal of 6117539 is 9357116.

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 6117539 - 2¹⁶ = 6052003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6117599) 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, 15824 + ... + 16205.

It is an arithmetic number, because the mean of its divisors is an integer number (1537440).

Almost surely, 2^6117539 is an apocalyptic number.

6117539 is a deficient number, since it is larger than the sum of its proper divisors (32221).

6117539 is a wasteful number, since it uses less digits than its factorization.

6117539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32220.

The product of its digits is 5670, while the sum is 32.

The square root of 6117539 is about 2473.3659252120. The cubic root of 6117539 is about 182.8909639415.

The spelling of 6117539 in words is "six million, one hundred seventeen thousand, five hundred thirty-nine".