4131217 has 4 divisors (see below), whose sum is σ = 4136256. Its totient is φ = 4126180.

The previous prime is 4131109. The next prime is 4131223. The reversal of 4131217 is 7121314.

4131217 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 4131217 - 2⁷ = 4131089 is a prime.

It is a Duffinian number.

4131217 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 4131194 and 4131203.

It is not an unprimeable number, because it can be changed into a prime (4131317) 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 3 ways as a sum of consecutive naturals, for example, 973 + ... + 3034.

It is an arithmetic number, because the mean of its divisors is an integer number (1034064).

Almost surely, 2^4131217 is an apocalyptic number.

It is an amenable number.

4131217 is a deficient number, since it is larger than the sum of its proper divisors (5039).

4131217 is a wasteful number, since it uses less digits than its factorization.

4131217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5038.

The product of its digits is 168, while the sum is 19.

The square root of 4131217 is about 2032.5395445108. The cubic root of 4131217 is about 160.4572467267.

The spelling of 4131217 in words is "four million, one hundred thirty-one thousand, two hundred seventeen".