5173281 has 16 divisors (see below), whose sum is σ = 7929600. Its totient is φ = 3329424.

The previous prime is 5173261. The next prime is 5173283. The reversal of 5173281 is 1823715.

It is not a de Polignac number, because 5173281 - 2¹⁴ = 5156897 is a prime.

It is a super-2 number, since 2×5173281² = 53525672609922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

5173281 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5173283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2521 + ... + 4086.

It is an arithmetic number, because the mean of its divisors is an integer number (495600).

Almost surely, 2^5173281 is an apocalyptic number.

It is an amenable number.

5173281 is a deficient number, since it is larger than the sum of its proper divisors (2756319).

5173281 is a wasteful number, since it uses less digits than its factorization.

5173281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6645 (or 6639 counting only the distinct ones).

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

The square root of 5173281 is about 2274.4847768231. The cubic root of 5173281 is about 172.9505800678.

Adding to 5173281 its reverse (1823715), we get a palindrome (6996996).

The spelling of 5173281 in words is "five million, one hundred seventy-three thousand, two hundred eighty-one".