5191749 has 16 divisors (see below), whose sum is σ = 8144640. Its totient is φ = 3257280.

The previous prime is 5191741. The next prime is 5191751. The reversal of 5191749 is 9471915.

It is not a de Polignac number, because 5191749 - 2³ = 5191741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5191741) 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 15 ways as a sum of consecutive naturals, for example, 5197 + ... + 6114.

It is an arithmetic number, because the mean of its divisors is an integer number (509040).

Almost surely, 2^5191749 is an apocalyptic number.

It is an amenable number.

5191749 is a deficient number, since it is larger than the sum of its proper divisors (2952891).

5191749 is a wasteful number, since it uses less digits than its factorization.

5191749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11337 (or 11331 counting only the distinct ones).

The product of its digits is 11340, while the sum is 36.

The square root of 5191749 is about 2278.5409805400. The cubic root of 5191749 is about 173.1561400106.

The spelling of 5191749 in words is "five million, one hundred ninety-one thousand, seven hundred forty-nine".