517225 has 12 divisors (see below), whose sum is σ = 679644. Its totient is φ = 389120.

The previous prime is 517217. The next prime is 517229. The reversal of 517225 is 522715.

It can be written as a sum of positive squares in 6 ways, for example, as 3136 + 514089 = 56^2 + 717^2 .

It is not a de Polignac number, because 517225 - 2³ = 517217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 517196 and 517205.

It is not an unprimeable number, because it can be changed into a prime (517229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 184 + ... + 1033.

It is an arithmetic number, because the mean of its divisors is an integer number (56637).

2⁵¹⁷²²⁵ is an apocalyptic number.

It is an amenable number.

517225 is a deficient number, since it is larger than the sum of its proper divisors (162419).

517225 is a wasteful number, since it uses less digits than its factorization.

517225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1244 (or 1239 counting only the distinct ones).

The product of its digits is 700, while the sum is 22.

The square root of 517225 is about 719.1835648845. The cubic root of 517225 is about 80.2712149085.

The spelling of 517225 in words is "five hundred seventeen thousand, two hundred twenty-five".