431264263 has 2 divisors, whose sum is σ = 431264264. Its totient is φ = 431264262.

The previous prime is 431264257. The next prime is 431264291. The reversal of 431264263 is 362462134.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 431264263 - 2⁹ = 431263751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (431264213) 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 as a sum of consecutive naturals, namely, 215632131 + 215632132.

It is an arithmetic number, because the mean of its divisors is an integer number (215632132).

Almost surely, 2^431264263 is an apocalyptic number.

431264263 is a deficient number, since it is larger than the sum of its proper divisors (1).

431264263 is an equidigital number, since it uses as much as digits as its factorization.

431264263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 31.

The square root of 431264263 is about 20766.9030671403. The cubic root of 431264263 is about 755.5232330519.

The spelling of 431264263 in words is "four hundred thirty-one million, two hundred sixty-four thousand, two hundred sixty-three".