264320003 has 2 divisors, whose sum is σ = 264320004. Its totient is φ = 264320002.

The previous prime is 264319967. The next prime is 264320027. The reversal of 264320003 is 300023462.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 264320003 - 2⁸ = 264319747 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (264320033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132160001 + 132160002.

It is an arithmetic number, because the mean of its divisors is an integer number (132160002).

Almost surely, 2^264320003 is an apocalyptic number.

264320003 is a deficient number, since it is larger than the sum of its proper divisors (1).

264320003 is an equidigital number, since it uses as much as digits as its factorization.

264320003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 264320003 is about 16257.9212385840. The cubic root of 264320003 is about 641.7659584658.

Adding to 264320003 its reverse (300023462), we get a palindrome (564343465).

The spelling of 264320003 in words is "two hundred sixty-four million, three hundred twenty thousand, three".