320057017 has 8 divisors (see below), whose sum is σ = 366973376. Its totient is φ = 273439152.

The previous prime is 320056999. The next prime is 320057053. The reversal of 320057017 is 710750023.

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

It is not a de Polignac number, because 320057017 - 2⁷ = 320056889 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 320056982 and 320057000.

It is not an unprimeable number, because it can be changed into a prime (320054017) 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, 72318 + ... + 76615.

It is an arithmetic number, because the mean of its divisors is an integer number (45871672).

Almost surely, 2^320057017 is an apocalyptic number.

It is an amenable number.

320057017 is a deficient number, since it is larger than the sum of its proper divisors (46916359).

320057017 is a wasteful number, since it uses less digits than its factorization.

320057017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149247.

The product of its (nonzero) digits is 1470, while the sum is 25.

The square root of 320057017 is about 17890.1374226136. The cubic root of 320057017 is about 684.0310002992.

The spelling of 320057017 in words is "three hundred twenty million, fifty-seven thousand, seventeen".