6317218 has 4 divisors (see below), whose sum is σ = 9475830. Its totient is φ = 3158608.

The previous prime is 6317197. The next prime is 6317219. The reversal of 6317218 is 8127136.

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

It can be written as a sum of positive squares in only one way, i.e., 4028049 + 2289169 = 2007^2 + 1513^2 .

It is not an unprimeable number, because it can be changed into a prime (6317219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1579303 + ... + 1579306.

Almost surely, 2^6317218 is an apocalyptic number.

6317218 is a deficient number, since it is larger than the sum of its proper divisors (3158612).

6317218 is a wasteful number, since it uses less digits than its factorization.

6317218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3158611.

The product of its digits is 2016, while the sum is 28.

The square root of 6317218 is about 2513.4076470004. The cubic root of 6317218 is about 184.8595769069.

It can be divided in two parts, 63172 and 18, that added together give a triangular number (63190 = T₃₅₅).

The spelling of 6317218 in words is "six million, three hundred seventeen thousand, two hundred eighteen".