5105647 has 4 divisors (see below), whose sum is σ = 5110200. Its totient is φ = 5101096.

The previous prime is 5105641. The next prime is 5105671. The reversal of 5105647 is 7465015.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5105647 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 (5105641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 729 + ... + 3277.

It is an arithmetic number, because the mean of its divisors is an integer number (1277550).

Almost surely, 2^5105647 is an apocalyptic number.

5105647 is a deficient number, since it is larger than the sum of its proper divisors (4553).

5105647 is a wasteful number, since it uses less digits than its factorization.

5105647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4552.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 5105647 is about 2259.5678790424. The cubic root of 5105647 is about 172.1935692572.

The spelling of 5105647 in words is "five million, one hundred five thousand, six hundred forty-seven".