320514463 has 4 divisors (see below), whose sum is σ = 320557000. Its totient is φ = 320471928.

The previous prime is 320514449. The next prime is 320514497. The reversal of 320514463 is 364415023.

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

It is a cyclic number.

It is not a de Polignac number, because 320514463 - 2⁵ = 320514431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320514263) 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, 6588 + ... + 26161.

It is an arithmetic number, because the mean of its divisors is an integer number (80139250).

Almost surely, 2^320514463 is an apocalyptic number.

320514463 is a deficient number, since it is larger than the sum of its proper divisors (42537).

320514463 is an equidigital number, since it uses as much as digits as its factorization.

320514463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42536.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 320514463 is about 17902.9177230975. The cubic root of 320514463 is about 684.3567321438.

Adding to 320514463 its reverse (364415023), we get a palindrome (684929486).

The spelling of 320514463 in words is "three hundred twenty million, five hundred fourteen thousand, four hundred sixty-three".