5172919 has 2 divisors, whose sum is σ = 5172920. Its totient is φ = 5172918.

The previous prime is 5172901. The next prime is 5172941. The reversal of 5172919 is 9192715.

5172919 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5172919 - 2⁹ = 5172407 is a prime.

It is a super-2 number, since 2×5172919² = 53518181961122, which contains 22 as substring.

5172919 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5172949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2586459 + 2586460.

It is an arithmetic number, because the mean of its divisors is an integer number (2586460).

Almost surely, 2^5172919 is an apocalyptic number.

5172919 is a deficient number, since it is larger than the sum of its proper divisors (1).

5172919 is an equidigital number, since it uses as much as digits as its factorization.

5172919 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5670, while the sum is 34.

The square root of 5172919 is about 2274.4051969691. The cubic root of 5172919 is about 172.9465459052.

The spelling of 5172919 in words is "five million, one hundred seventy-two thousand, nine hundred nineteen".