5187481 has 8 divisors (see below), whose sum is σ = 5692680. Its totient is φ = 4697472.

The previous prime is 5187449. The next prime is 5187487. The reversal of 5187481 is 1847815.

It can be written as a sum of positive squares in 4 ways, for example, as 259081 + 4928400 = 509^2 + 2220^2 .

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

It is not a de Polignac number, because 5187481 - 2⁵ = 5187449 is a prime.

It is a super-2 number, since 2×5187481² = 53819918250722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5187487) 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 7 ways as a sum of consecutive naturals, for example, 3076 + ... + 4453.

It is an arithmetic number, because the mean of its divisors is an integer number (711585).

Almost surely, 2^5187481 is an apocalyptic number.

It is an amenable number.

5187481 is a deficient number, since it is larger than the sum of its proper divisors (505199).

5187481 is a wasteful number, since it uses less digits than its factorization.

5187481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7595.

The product of its digits is 8960, while the sum is 34.

The square root of 5187481 is about 2277.6042237404. The cubic root of 5187481 is about 173.1086779696.

The spelling of 5187481 in words is "five million, one hundred eighty-seven thousand, four hundred eighty-one".