5117905 has 8 divisors (see below), whose sum is σ = 6613992. Its totient is φ = 3779328.

The previous prime is 5117899. The next prime is 5117923. The reversal of 5117905 is 5097115.

It can be written as a sum of positive squares in 4 ways, for example, as 82369 + 5035536 = 287^2 + 2244^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5117905 is a prime.

It is a Duffinian number.

5117905 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39304 + ... + 39433.

It is an arithmetic number, because the mean of its divisors is an integer number (826749).

Almost surely, 2^5117905 is an apocalyptic number.

It is an amenable number.

5117905 is a deficient number, since it is larger than the sum of its proper divisors (1496087).

5117905 is a wasteful number, since it uses less digits than its factorization.

5117905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78755.

The product of its (nonzero) digits is 1575, while the sum is 28.

The square root of 5117905 is about 2262.2787184607. The cubic root of 5117905 is about 172.3312639711.

It can be divided in two parts, 51 and 17905, that added together give a square (17956 = 134²).

The spelling of 5117905 in words is "five million, one hundred seventeen thousand, nine hundred five".