5211047 has 4 divisors (see below), whose sum is σ = 5296536. Its totient is φ = 5125560.

The previous prime is 5211023. The next prime is 5211071. The reversal of 5211047 is 7401125.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (5211023) and next prime (5211071).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5211047 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 (5211247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42653 + ... + 42774.

It is an arithmetic number, because the mean of its divisors is an integer number (1324134).

Almost surely, 2^5211047 is an apocalyptic number.

5211047 is a deficient number, since it is larger than the sum of its proper divisors (85489).

5211047 is an equidigital number, since it uses as much as digits as its factorization.

5211047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85488.

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 5211047 is about 2282.7717800954. The cubic root of 5211047 is about 173.3704181828.

The spelling of 5211047 in words is "five million, two hundred eleven thousand, forty-seven".