5165849 has 4 divisors (see below), whose sum is σ = 5563236. Its totient is φ = 4768464.

The previous prime is 5165833. The next prime is 5165887. The reversal of 5165849 is 9485615.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2050624 + 3115225 = 1432^2 + 1765^2 .

It is a cyclic number.

It is not a de Polignac number, because 5165849 - 2⁴ = 5165833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5165899) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 198674 + ... + 198699.

It is an arithmetic number, because the mean of its divisors is an integer number (1390809).

Almost surely, 2^5165849 is an apocalyptic number.

It is an amenable number.

5165849 is a deficient number, since it is larger than the sum of its proper divisors (397387).

5165849 is a wasteful number, since it uses less digits than its factorization.

5165849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397386.

The product of its digits is 43200, while the sum is 38.

The square root of 5165849 is about 2272.8504130277. The cubic root of 5165849 is about 172.8677193889.

The spelling of 5165849 in words is "five million, one hundred sixty-five thousand, eight hundred forty-nine".