320341753 has 4 divisors (see below), whose sum is σ = 321292660. Its totient is φ = 319390848.

The previous prime is 320341711. The next prime is 320341759. The reversal of 320341753 is 357143023.

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 79067664 + 241274089 = 8892^2 + 15533^2 .

It is a cyclic number.

It is not a de Polignac number, because 320341753 - 2¹³ = 320333561 is a prime.

It is a super-2 number, since 2×320341753² = 205237677430226018, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320341759) by changing a digit.

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, 474948 + ... + 475621.

It is an arithmetic number, because the mean of its divisors is an integer number (80323165).

Almost surely, 2^320341753 is an apocalyptic number.

It is an amenable number.

320341753 is a deficient number, since it is larger than the sum of its proper divisors (950907).

320341753 is an equidigital number, since it uses as much as digits as its factorization.

320341753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 950906.

The product of its (nonzero) digits is 7560, while the sum is 28.

The square root of 320341753 is about 17898.0935576949. The cubic root of 320341753 is about 684.2337876268.

Adding to 320341753 its reverse (357143023), we get a palindrome (677484776).

The spelling of 320341753 in words is "three hundred twenty million, three hundred forty-one thousand, seven hundred fifty-three".