705970231 has 2 divisors, whose sum is σ = 705970232. Its totient is φ = 705970230.

The previous prime is 705970201. The next prime is 705970241. The reversal of 705970231 is 132079507.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 705970231 - 2¹⁷ = 705839159 is a prime.

It is a super-2 number, since 2×705970231² = 996787934116386722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (705970201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 352985115 + 352985116.

It is an arithmetic number, because the mean of its divisors is an integer number (352985116).

Almost surely, 2^705970231 is an apocalyptic number.

705970231 is a deficient number, since it is larger than the sum of its proper divisors (1).

705970231 is an equidigital number, since it uses as much as digits as its factorization.

705970231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13230, while the sum is 34.

The square root of 705970231 is about 26570.1003197203. The cubic root of 705970231 is about 890.4211410069.

The spelling of 705970231 in words is "seven hundred five million, nine hundred seventy thousand, two hundred thirty-one".