705431263 has 2 divisors, whose sum is σ = 705431264. Its totient is φ = 705431262.

The previous prime is 705431227. The next prime is 705431327. The reversal of 705431263 is 362134507.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 705431263 - 2⁹ = 705430751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (705431203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 352715631 + 352715632.

It is an arithmetic number, because the mean of its divisors is an integer number (352715632).

Almost surely, 2^705431263 is an apocalyptic number.

705431263 is a deficient number, since it is larger than the sum of its proper divisors (1).

705431263 is an equidigital number, since it uses as much as digits as its factorization.

705431263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 705431263 is about 26559.9560052346. The cubic root of 705431263 is about 890.1944880690.

The spelling of 705431263 in words is "seven hundred five million, four hundred thirty-one thousand, two hundred sixty-three".