5144985 has 32 divisors (see below), whose sum is σ = 9550080. Its totient is φ = 2623104.

The previous prime is 5144983. The next prime is 5144989. The reversal of 5144985 is 5894415.

It is not a de Polignac number, because 5144985 - 2¹ = 5144983 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5144981) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2277 + ... + 3933.

It is an arithmetic number, because the mean of its divisors is an integer number (298440).

Almost surely, 2^5144985 is an apocalyptic number.

It is an amenable number.

5144985 is a deficient number, since it is larger than the sum of its proper divisors (4405095).

5144985 is a wasteful number, since it uses less digits than its factorization.

5144985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1694 (or 1688 counting only the distinct ones).

The product of its digits is 28800, while the sum is 36.

The square root of 5144985 is about 2268.2559379400. The cubic root of 5144985 is about 172.6346774334.

The spelling of 5144985 in words is "five million, one hundred forty-four thousand, nine hundred eighty-five".