320030485 has 4 divisors (see below), whose sum is σ = 384036588. Its totient is φ = 256024384.

The previous prime is 320030479. The next prime is 320030497. The reversal of 320030485 is 584030023.

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

It can be written as a sum of positive squares in 2 ways, for example, as 47087044 + 272943441 = 6862^2 + 16521^2 .

It is a cyclic number.

It is not a de Polignac number, because 320030485 - 2¹¹ = 320028437 is a prime.

It is a super-2 number, since 2×320030485² = 204839022658670450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32003044 + ... + 32003053.

It is an arithmetic number, because the mean of its divisors is an integer number (96009147).

Almost surely, 2^320030485 is an apocalyptic number.

It is an amenable number.

320030485 is a deficient number, since it is larger than the sum of its proper divisors (64006103).

320030485 is an equidigital number, since it uses as much as digits as its factorization.

320030485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64006102.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 320030485 is about 17889.3958813594. The cubic root of 320030485 is about 684.0120982380.

The spelling of 320030485 in words is "three hundred twenty million, thirty thousand, four hundred eighty-five".