5191345 has 4 divisors (see below), whose sum is σ = 6229620. Its totient is φ = 4153072.

The previous prime is 5191339. The next prime is 5191349. The reversal of 5191345 is 5431915.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3671056 + 1520289 = 1916^2 + 1233^2 .

It is a cyclic number.

It is not a de Polignac number, because 5191345 - 2³ = 5191337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5191349) 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, 519130 + ... + 519139.

It is an arithmetic number, because the mean of its divisors is an integer number (1557405).

Almost surely, 2^5191345 is an apocalyptic number.

It is an amenable number.

5191345 is a deficient number, since it is larger than the sum of its proper divisors (1038275).

5191345 is a wasteful number, since it uses less digits than its factorization.

5191345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1038274.

The product of its digits is 2700, while the sum is 28.

The square root of 5191345 is about 2278.4523255930. The cubic root of 5191345 is about 173.1516484673.

The spelling of 5191345 in words is "five million, one hundred ninety-one thousand, three hundred forty-five".