1705000005 has 48 divisors (see below), whose sum is σ = 3095254656. Its totient is φ = 866574720.

The previous prime is 1704999973. The next prime is 1705000013. The reversal of 1705000005 is 5000005071.

It is a happy number.

It is not a de Polignac number, because 1705000005 - 2⁵ = 1704999973 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 289995 + ... + 295815.

It is an arithmetic number, because the mean of its divisors is an integer number (64484472).

Almost surely, 2^1705000005 is an apocalyptic number.

1705000005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1705000005 is a deficient number, since it is larger than the sum of its proper divisors (1390254651).

1705000005 is a wasteful number, since it uses less digits than its factorization.

1705000005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6138 (or 6135 counting only the distinct ones).

The product of its (nonzero) digits is 175, while the sum is 18.

The square root of 1705000005 is about 41291.6457046701. The cubic root of 1705000005 is about 1194.6521293878.

Adding to 1705000005 its reverse (5000005071), we get a palindrome (6705005076).

The spelling of 1705000005 in words is "one billion, seven hundred five million, five", and thus it is an aban number.