5198637 has 4 divisors (see below), whose sum is σ = 6931520. Its totient is φ = 3465756.

The previous prime is 5198629. The next prime is 5198639. The reversal of 5198637 is 7368915.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 5198637 - 2³ = 5198629 is a prime.

It is a D-number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5198595 and 5198604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5198639) 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 3 ways as a sum of consecutive naturals, for example, 866437 + ... + 866442.

It is an arithmetic number, because the mean of its divisors is an integer number (1732880).

Almost surely, 2^5198637 is an apocalyptic number.

It is an amenable number.

5198637 is a deficient number, since it is larger than the sum of its proper divisors (1732883).

5198637 is a wasteful number, since it uses less digits than its factorization.

5198637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1732882.

The product of its digits is 45360, while the sum is 39.

The square root of 5198637 is about 2280.0519730918. The cubic root of 5198637 is about 173.2326827724.

The spelling of 5198637 in words is "five million, one hundred ninety-eight thousand, six hundred thirty-seven".