4247171 has 4 divisors (see below), whose sum is σ = 4264344. Its totient is φ = 4230000.

The previous prime is 4247167. The next prime is 4247209. The reversal of 4247171 is 1717424.

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 4247171 - 2² = 4247167 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4247171.

It is not an unprimeable number, because it can be changed into a prime (4247101) 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, 8210 + ... + 8711.

It is an arithmetic number, because the mean of its divisors is an integer number (1066086).

Almost surely, 2^4247171 is an apocalyptic number.

4247171 is a deficient number, since it is larger than the sum of its proper divisors (17173).

4247171 is a wasteful number, since it uses less digits than its factorization.

4247171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17172.

The product of its digits is 1568, while the sum is 26.

The square root of 4247171 is about 2060.8665653069. The cubic root of 4247171 is about 161.9446414519.

The spelling of 4247171 in words is "four million, two hundred forty-seven thousand, one hundred seventy-one".