317932345 has 8 divisors (see below), whose sum is σ = 385296840. Its totient is φ = 251827200.

The previous prime is 317932343. The next prime is 317932403. The reversal of 317932345 is 543239713.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 31002624 + 286929721 = 5568^2 + 16939^2 .

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

It is not a de Polignac number, because 317932345 - 2¹ = 317932343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (317932343) 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, 314280 + ... + 315289.

It is an arithmetic number, because the mean of its divisors is an integer number (48162105).

Almost surely, 2^317932345 is an apocalyptic number.

It is an amenable number.

317932345 is a deficient number, since it is larger than the sum of its proper divisors (67364495).

317932345 is a wasteful number, since it uses less digits than its factorization.

317932345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629675.

The product of its digits is 68040, while the sum is 37.

The square root of 317932345 is about 17830.6574472171. The cubic root of 317932345 is about 682.5140108132.

The spelling of 317932345 in words is "three hundred seventeen million, nine hundred thirty-two thousand, three hundred forty-five".