5109251 has 8 divisors (see below), whose sum is σ = 5877600. Its totient is φ = 4350528.

The previous prime is 5109241. The next prime is 5109259. The reversal of 5109251 is 1529015.

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

It is not a de Polignac number, because 5109251 - 2¹⁰ = 5108227 is a prime.

It is a super-2 number, since 2×5109251² = 52208891562002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5109259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1226 + ... + 3423.

It is an arithmetic number, because the mean of its divisors is an integer number (734700).

Almost surely, 2^5109251 is an apocalyptic number.

5109251 is a deficient number, since it is larger than the sum of its proper divisors (768349).

5109251 is a wasteful number, since it uses less digits than its factorization.

5109251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4813.

The product of its (nonzero) digits is 450, while the sum is 23.

The square root of 5109251 is about 2260.3652359740. The cubic root of 5109251 is about 172.2340760176.

The spelling of 5109251 in words is "five million, one hundred nine thousand, two hundred fifty-one".