5091249 has 4 divisors (see below), whose sum is σ = 6788336. Its totient is φ = 3394164.

The previous prime is 5091241. The next prime is 5091253. The reversal of 5091249 is 9421905.

It is a happy number.

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 5091249 - 2³ = 5091241 is a prime.

It is a D-number.

It is a Duffinian number.

5091249 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5091241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 848539 + ... + 848544.

It is an arithmetic number, because the mean of its divisors is an integer number (1697084).

Almost surely, 2^5091249 is an apocalyptic number.

It is an amenable number.

5091249 is a deficient number, since it is larger than the sum of its proper divisors (1697087).

5091249 is a wasteful number, since it uses less digits than its factorization.

5091249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1697086.

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 5091249 is about 2256.3796223154. The cubic root of 5091249 is about 172.0315540631.

The spelling of 5091249 in words is "five million, ninety-one thousand, two hundred forty-nine".