320054263 has 2 divisors, whose sum is σ = 320054264. Its totient is φ = 320054262.

The previous prime is 320054233. The next prime is 320054279. The reversal of 320054263 is 362450023.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320054263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320054213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160027131 + 160027132.

It is an arithmetic number, because the mean of its divisors is an integer number (160027132).

Almost surely, 2^320054263 is an apocalyptic number.

320054263 is a deficient number, since it is larger than the sum of its proper divisors (1).

320054263 is an equidigital number, since it uses as much as digits as its factorization.

320054263 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 320054263 is about 17890.0604526648. The cubic root of 320054263 is about 684.0290383292.

The spelling of 320054263 in words is "three hundred twenty million, fifty-four thousand, two hundred sixty-three".