320214517 has 4 divisors (see below), whose sum is σ = 365959456. Its totient is φ = 274469580.

The previous prime is 320214497. The next prime is 320214529. The reversal of 320214517 is 715412023.

It is a happy number.

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 an emirpimes, since its reverse is a distinct semiprime: 715412023 = 11801 ⋅60623.

It is not a de Polignac number, because 320214517 - 2¹¹ = 320212469 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 320214491 and 320214500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320214577) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22872459 + ... + 22872472.

It is an arithmetic number, because the mean of its divisors is an integer number (91489864).

Almost surely, 2^320214517 is an apocalyptic number.

It is an amenable number.

320214517 is a deficient number, since it is larger than the sum of its proper divisors (45744939).

320214517 is an equidigital number, since it uses as much as digits as its factorization.

320214517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45744938.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 320214517 is about 17894.5387478974. The cubic root of 320214517 is about 684.1431857428.

The spelling of 320214517 in words is "three hundred twenty million, two hundred fourteen thousand, five hundred seventeen".