5199013 has 6 divisors (see below), whose sum is σ = 5256146.
Its totient is φ = 5142432.
The previous prime is 5199011. The next prime is 5199043. The reversal of 5199013 is 3109915.
It can be divided in two parts, 51990 and 13, that added together give a triangular number (52003 = T322).
It can be written as a sum of positive squares in 3 ways, for example, as 459684 + 4739329 = 678^2 + 2177^2
It is not a de Polignac number, because 5199013 - 21 = 5199011 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 (5199011) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18631 + ... + 18907.
It is a 91-hyperperfect number.
Almost surely, 25199013 is an apocalyptic number.
It is an amenable number.
5199013 is a deficient number, since it is larger than the sum of its proper divisors (57133).
5199013 is an equidigital number, since it uses as much as digits as its factorization.
5199013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 551 (or 414 counting only the distinct ones).
The product of its (nonzero) digits is 1215, while the sum is 28.
The square root of 5199013 is about 2280.1344258618.
The cubic root of 5199013 is about 173.2368591182.
The spelling of 5199013 in words is "five million, one hundred ninety-nine thousand, thirteen".