705501813 has 12 divisors (see below), whose sum is σ = 971996064. Its totient is φ = 455160600.

The previous prime is 705501791. The next prime is 705501833. The reversal of 705501813 is 318105507.

It is not a de Polignac number, because 705501813 - 2⁵ = 705501781 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (705501833) 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, 119473 + ... + 125238.

It is an arithmetic number, because the mean of its divisors is an integer number (80999672).

Almost surely, 2^705501813 is an apocalyptic number.

It is an amenable number.

705501813 is a deficient number, since it is larger than the sum of its proper divisors (266494251).

705501813 is a wasteful number, since it uses less digits than its factorization.

705501813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244776 (or 244745 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 30.

The square root of 705501813 is about 26561.2840992298. The cubic root of 705501813 is about 890.2241631207.

The spelling of 705501813 in words is "seven hundred five million, five hundred one thousand, eight hundred thirteen".