705543613 has 12 divisors (see below), whose sum is σ = 732214560. Its totient is φ = 679474656.

The previous prime is 705543589. The next prime is 705543661. The reversal of 705543613 is 316345507.

It is not a de Polignac number, because 705543613 - 2¹⁷ = 705412541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (705543313) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 227608 + ... + 230686.

It is an arithmetic number, because the mean of its divisors is an integer number (61017880).

Almost surely, 2^705543613 is an apocalyptic number.

705543613 is a gapful number since it is divisible by the number (73) formed by its first and last digit.

It is an amenable number.

705543613 is a deficient number, since it is larger than the sum of its proper divisors (26670947).

705543613 is an equidigital number, since it uses as much as digits as its factorization.

705543613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3268 (or 3195 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 34.

The square root of 705543613 is about 26562.0709471231. The cubic root of 705543613 is about 890.2417442875.

The spelling of 705543613 in words is "seven hundred five million, five hundred forty-three thousand, six hundred thirteen".