5137549 has 4 divisors (see below), whose sum is σ = 5142364. Its totient is φ = 5132736.

The previous prime is 5137547. The next prime is 5137651. The reversal of 5137549 is 9457315.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 2941225 + 2196324 = 1715^2 + 1482^2 .

It is a cyclic number.

It is not a de Polignac number, because 5137549 - 2¹ = 5137547 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5137547) 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 3 ways as a sum of consecutive naturals, for example, 12 + ... + 3205.

It is an arithmetic number, because the mean of its divisors is an integer number (1285591).

Almost surely, 2^5137549 is an apocalyptic number.

It is an amenable number.

5137549 is a deficient number, since it is larger than the sum of its proper divisors (4815).

5137549 is a wasteful number, since it uses less digits than its factorization.

5137549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4814.

The product of its digits is 18900, while the sum is 34.

The square root of 5137549 is about 2266.6162004186. The cubic root of 5137549 is about 172.5514682240.

The spelling of 5137549 in words is "five million, one hundred thirty-seven thousand, five hundred forty-nine".