705706523 has 2 divisors, whose sum is σ = 705706524. Its totient is φ = 705706522.

The previous prime is 705706517. The next prime is 705706579. The reversal of 705706523 is 325607507.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 705706523 - 2¹⁶ = 705640987 is a prime.

It is not a weakly prime, because it can be changed into another prime (705706123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 352853261 + 352853262.

It is an arithmetic number, because the mean of its divisors is an integer number (352853262).

Almost surely, 2^705706523 is an apocalyptic number.

705706523 is a deficient number, since it is larger than the sum of its proper divisors (1).

705706523 is an equidigital number, since it uses as much as digits as its factorization.

705706523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 44100, while the sum is 35.

The square root of 705706523 is about 26565.1373608344. The cubic root of 705706523 is about 890.3102579455.

The spelling of 705706523 in words is "seven hundred five million, seven hundred six thousand, five hundred twenty-three".