5149865 has 8 divisors (see below), whose sum is σ = 7062720. Its totient is φ = 3531312.

The previous prime is 5149853. The next prime is 5149867. The reversal of 5149865 is 5689415.

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

It is a cyclic number.

It is not a de Polignac number, because 5149865 - 2⁶ = 5149801 is a prime.

It is a super-2 number, since 2×5149865² = 53042219036450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5149867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73535 + ... + 73604.

It is an arithmetic number, because the mean of its divisors is an integer number (882840).

Almost surely, 2^5149865 is an apocalyptic number.

It is an amenable number.

5149865 is a deficient number, since it is larger than the sum of its proper divisors (1912855).

5149865 is a wasteful number, since it uses less digits than its factorization.

5149865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147151.

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

The square root of 5149865 is about 2269.3313993333. The cubic root of 5149865 is about 172.6892413120.

The spelling of 5149865 in words is "five million, one hundred forty-nine thousand, eight hundred sixty-five".