705381349 has 2 divisors, whose sum is σ = 705381350. Its totient is φ = 705381348.

The previous prime is 705381317. The next prime is 705381371. The reversal of 705381349 is 943183507.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 602358849 + 103022500 = 24543^2 + 10150^2 .

It is a cyclic number.

It is not a de Polignac number, because 705381349 - 2⁵ = 705381317 is a prime.

It is equal to p_36517099 and since 705381349 and 36517099 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (705388349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 352690674 + 352690675.

It is an arithmetic number, because the mean of its divisors is an integer number (352690675).

Almost surely, 2^705381349 is an apocalyptic number.

It is an amenable number.

705381349 is a deficient number, since it is larger than the sum of its proper divisors (1).

705381349 is an equidigital number, since it uses as much as digits as its factorization.

705381349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 705381349 is about 26559.0163409717. The cubic root of 705381349 is about 890.1734918274.

The spelling of 705381349 in words is "seven hundred five million, three hundred eighty-one thousand, three hundred forty-nine".