264221063 has 2 divisors, whose sum is σ = 264221064. Its totient is φ = 264221062.

The previous prime is 264221039. The next prime is 264221093. The reversal of 264221063 is 360122462.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 264221063 - 2²² = 260026759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (264221003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132110531 + 132110532.

It is an arithmetic number, because the mean of its divisors is an integer number (132110532).

Almost surely, 2^264221063 is an apocalyptic number.

264221063 is a deficient number, since it is larger than the sum of its proper divisors (1).

264221063 is an equidigital number, since it uses as much as digits as its factorization.

264221063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 264221063 is about 16254.8781293494. The cubic root of 264221063 is about 641.6858734080.

The spelling of 264221063 in words is "two hundred sixty-four million, two hundred twenty-one thousand, sixty-three".