5199905 has 8 divisors (see below), whose sum is σ = 6263784. Its totient is φ = 4144000.

The previous prime is 5199877. The next prime is 5199911. The reversal of 5199905 is 5099915.

It can be written as a sum of positive squares in 4 ways, for example, as 654481 + 4545424 = 809^2 + 2132^2 .

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

It is not a de Polignac number, because 5199905 - 2¹⁰ = 5198881 is a prime.

It is a Duffinian number.

It is a Curzon 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, 446 + ... + 3255.

It is an arithmetic number, because the mean of its divisors is an integer number (782973).

Almost surely, 2^5199905 is an apocalyptic number.

It is an amenable number.

5199905 is a deficient number, since it is larger than the sum of its proper divisors (1063879).

5199905 is a wasteful number, since it uses less digits than its factorization.

5199905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3987.

The product of its (nonzero) digits is 18225, while the sum is 38.

The square root of 5199905 is about 2280.3300199752. The cubic root of 5199905 is about 173.2467660269.

The spelling of 5199905 in words is "five million, one hundred ninety-nine thousand, nine hundred five".