705606517 has 12 divisors (see below), whose sum is σ = 895427136. Its totient is φ = 549822840.

The previous prime is 705606509. The next prime is 705606521. The reversal of 705606517 is 715606507.

It is not a de Polignac number, because 705606517 - 2³ = 705606509 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 (705606527) 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, 654013 + ... + 655090.

It is an arithmetic number, because the mean of its divisors is an integer number (74618928).

Almost surely, 2^705606517 is an apocalyptic number.

705606517 is a gapful number since it is divisible by the number (77) formed by its first and last digit.

It is an amenable number.

705606517 is a deficient number, since it is larger than the sum of its proper divisors (189820619).

705606517 is a wasteful number, since it uses less digits than its factorization.

705606517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1309128 (or 1309121 counting only the distinct ones).

The product of its (nonzero) digits is 44100, while the sum is 37.

The square root of 705606517 is about 26563.2550151520. The cubic root of 705606517 is about 890.2682005317.

It can be divided in two parts, 70560 and 6517, that added together give a palindrome (77077).

The spelling of 705606517 in words is "seven hundred five million, six hundred six thousand, five hundred seventeen".