320264453 has 4 divisors (see below), whose sum is σ = 323863020. Its totient is φ = 316665888.

The previous prime is 320264447. The next prime is 320264467. The reversal of 320264453 is 354462023.

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 26553409 + 293711044 = 5153^2 + 17138^2 .

It is a cyclic number.

It is not a de Polignac number, because 320264453 - 2¹² = 320260357 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 (320264423) 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, 1799150 + ... + 1799327.

It is an arithmetic number, because the mean of its divisors is an integer number (80965755).

Almost surely, 2^320264453 is an apocalyptic number.

It is an amenable number.

320264453 is a deficient number, since it is larger than the sum of its proper divisors (3598567).

320264453 is an equidigital number, since it uses as much as digits as its factorization.

320264453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3598566.

The product of its (nonzero) digits is 17280, while the sum is 29.

The square root of 320264453 is about 17895.9339795385. The cubic root of 320264453 is about 684.1787469021.

The spelling of 320264453 in words is "three hundred twenty million, two hundred sixty-four thousand, four hundred fifty-three".