316552217 has 8 divisors (see below), whose sum is σ = 333408000. Its totient is φ = 299715984.

The previous prime is 316552213. The next prime is 316552259. The reversal of 316552217 is 712255613.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 316552217 - 2² = 316552213 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (316552213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38159 + ... + 45707.

It is an arithmetic number, because the mean of its divisors is an integer number (41676000).

Almost surely, 2^316552217 is an apocalyptic number.

It is an amenable number.

316552217 is a deficient number, since it is larger than the sum of its proper divisors (16855783).

316552217 is a wasteful number, since it uses less digits than its factorization.

316552217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9775.

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

The square root of 316552217 is about 17791.9143714216. The cubic root of 316552217 is about 681.5249922339.

The spelling of 316552217 in words is "three hundred sixteen million, five hundred fifty-two thousand, two hundred seventeen".