5198731 has 8 divisors (see below), whose sum is σ = 5448704. Its totient is φ = 4953960.

The previous prime is 5198729. The next prime is 5198737. The reversal of 5198731 is 1378915.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 5198731 - 2¹ = 5198729 is a prime.

It is a super-2 number, since 2×5198731² = 54053608020722, which contains 22 as substring.

It is a Duffinian number.

5198731 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5198737) 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, 826 + ... + 3328.

It is an arithmetic number, because the mean of its divisors is an integer number (681088).

Almost surely, 2^5198731 is an apocalyptic number.

5198731 is a deficient number, since it is larger than the sum of its proper divisors (249973).

5198731 is a wasteful number, since it uses less digits than its factorization.

5198731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2601.

The product of its digits is 7560, while the sum is 34.

The square root of 5198731 is about 2280.0725865639. The cubic root of 5198731 is about 173.2337268777.

It can be divided in two parts, 5198 and 731, that added together give a square (5929 = 77²).

The spelling of 5198731 in words is "five million, one hundred ninety-eight thousand, seven hundred thirty-one".