5172813 has 12 divisors (see below), whose sum is σ = 7541820. Its totient is φ = 3416256.

The previous prime is 5172803. The next prime is 5172821. The reversal of 5172813 is 3182715.

It can be written as a sum of positive squares in 2 ways, for example, as 3090564 + 2082249 = 1758^2 + 1443^2 .

It is not a de Polignac number, because 5172813 - 2⁶ = 5172749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5172803) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1656 + ... + 3617.

It is an arithmetic number, because the mean of its divisors is an integer number (628485).

Almost surely, 2^5172813 is an apocalyptic number.

It is an amenable number.

5172813 is a deficient number, since it is larger than the sum of its proper divisors (2369007).

5172813 is a wasteful number, since it uses less digits than its factorization.

5172813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5388 (or 5385 counting only the distinct ones).

The product of its digits is 1680, while the sum is 27.

The square root of 5172813 is about 2274.3818940539. The cubic root of 5172813 is about 172.9453645955.

The spelling of 5172813 in words is "five million, one hundred seventy-two thousand, eight hundred thirteen".