705390113 has 4 divisors (see below), whose sum is σ = 729713940. Its totient is φ = 681066288.

The previous prime is 705390073. The next prime is 705390139. The reversal of 705390113 is 311093507.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 167521249 + 537868864 = 12943^2 + 23192^2 .

It is a cyclic number.

It is not a de Polignac number, because 705390113 - 2²² = 701195809 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 24323797 = 705390113 / (7 + 0 + 5 + 3 + 9 + 0 + 1 + 1 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (705390173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12161870 + ... + 12161927.

It is an arithmetic number, because the mean of its divisors is an integer number (182428485).

Almost surely, 2^705390113 is an apocalyptic number.

It is an amenable number.

705390113 is a deficient number, since it is larger than the sum of its proper divisors (24323827).

705390113 is a wasteful number, since it uses less digits than its factorization.

705390113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24323826.

The product of its (nonzero) digits is 2835, while the sum is 29.

The square root of 705390113 is about 26559.1813315094. The cubic root of 705390113 is about 890.1771784612.

The spelling of 705390113 in words is "seven hundred five million, three hundred ninety thousand, one hundred thirteen".