5181237 has 6 divisors (see below), whose sum is σ = 7484022. Its totient is φ = 3454152.

The previous prime is 5181223. The next prime is 5181251. The reversal of 5181237 is 7321815.

It is an interprime number because it is at equal distance from previous prime (5181223) and next prime (5181251).

It can be written as a sum of positive squares in only one way, i.e., 3218436 + 1962801 = 1794^2 + 1401^2 .

It is not a de Polignac number, because 5181237 - 2⁶ = 5181173 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5181237.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5181217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 287838 + ... + 287855.

It is an arithmetic number, because the mean of its divisors is an integer number (1247337).

Almost surely, 2^5181237 is an apocalyptic number.

It is an amenable number.

5181237 is a deficient number, since it is larger than the sum of its proper divisors (2302785).

5181237 is a wasteful number, since it uses less digits than its factorization.

5181237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575699 (or 575696 counting only the distinct ones).

The product of its digits is 1680, while the sum is 27.

The square root of 5181237 is about 2276.2330724247. The cubic root of 5181237 is about 173.0391950129.

The spelling of 5181237 in words is "five million, one hundred eighty-one thousand, two hundred thirty-seven".