264263 has 2 divisors, whose sum is σ = 264264. Its totient is φ = 264262.

The previous prime is 264221. The next prime is 264269. The reversal of 264263 is 362462.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 264263 - 2⁸ = 264007 is a prime.

It is a Sophie Germain prime.

It is a d-powerful number, because it can be written as 2⁵ + 6 + 2¹¹ + 4⁹ + 6 + 3³ .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (264269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132131 + 132132.

It is an arithmetic number, because the mean of its divisors is an integer number (132132).

2²⁶⁴²⁶³ is an apocalyptic number.

264263 is a deficient number, since it is larger than the sum of its proper divisors (1).

264263 is an equidigital number, since it uses as much as digits as its factorization.

264263 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 23.

The square root of 264263 is about 514.0651709657. The cubic root of 264263 is about 64.1719820937.

The spelling of 264263 in words is "two hundred sixty-four thousand, two hundred sixty-three".