6305139 has 6 divisors (see below), whose sum is σ = 9107436. Its totient is φ = 4203420.

The previous prime is 6305129. The next prime is 6305141. The reversal of 6305139 is 9315036.

It is not a de Polignac number, because 6305139 - 2⁵ = 6305107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6305119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 350277 + ... + 350294.

It is an arithmetic number, because the mean of its divisors is an integer number (1517906).

Almost surely, 2^6305139 is an apocalyptic number.

6305139 is a deficient number, since it is larger than the sum of its proper divisors (2802297).

6305139 is a wasteful number, since it uses less digits than its factorization.

6305139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700577 (or 700574 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 27.

The square root of 6305139 is about 2511.0035842268. The cubic root of 6305139 is about 184.7416798879.

The spelling of 6305139 in words is "six million, three hundred five thousand, one hundred thirty-nine".