5181705 has 32 divisors (see below), whose sum is σ = 9313920. Its totient is φ = 2733120.

The previous prime is 5181697. The next prime is 5181721. The reversal of 5181705 is 5071815.

It is not a de Polignac number, because 5181705 - 2³ = 5181697 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17539 + ... + 17831.

It is an arithmetic number, because the mean of its divisors is an integer number (291060).

Almost surely, 2^5181705 is an apocalyptic number.

It is an amenable number.

5181705 is a deficient number, since it is larger than the sum of its proper divisors (4132215).

5181705 is a wasteful number, since it uses less digits than its factorization.

5181705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438 (or 432 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 27.

The square root of 5181705 is about 2276.3358715269. The cubic root of 5181705 is about 173.0444048309.

It can be divided in two parts, 5181 and 705, that added together give a triangular number (5886 = T₁₀₈).

The spelling of 5181705 in words is "five million, one hundred eighty-one thousand, seven hundred five".