5205947 has 4 divisors (see below), whose sum is σ = 5215320. Its totient is φ = 5196576.

The previous prime is 5205931. The next prime is 5205953. The reversal of 5205947 is 7495025.

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 5205947 - 2⁴ = 5205931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5205917) 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, 3797 + ... + 4982.

It is an arithmetic number, because the mean of its divisors is an integer number (1303830).

Almost surely, 2^5205947 is an apocalyptic number.

5205947 is a deficient number, since it is larger than the sum of its proper divisors (9373).

5205947 is an equidigital number, since it uses as much as digits as its factorization.

5205947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9372.

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 5205947 is about 2281.6544436001. The cubic root of 5205947 is about 173.3138410855.

The spelling of 5205947 in words is "five million, two hundred five thousand, nine hundred forty-seven".