525173 has 4 divisors (see below), whose sum is σ = 572928. Its totient is φ = 477420.

The previous prime is 525167. The next prime is 525191. The reversal of 525173 is 371525.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 525173 - 2⁴ = 525157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23861 + ... + 23882.

It is an arithmetic number, because the mean of its divisors is an integer number (143232).

2⁵²⁵¹⁷³ is an apocalyptic number.

It is an amenable number.

525173 is a deficient number, since it is larger than the sum of its proper divisors (47755).

525173 is a wasteful number, since it uses less digits than its factorization.

525173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47754.

The product of its digits is 1050, while the sum is 23.

The square root of 525173 is about 724.6882088181. The cubic root of 525173 is about 80.6802923807.

Adding to 525173 its reverse (371525), we get a palindrome (896698).

It can be divided in two parts, 52 and 5173, that added together give a palindrome (5225).

The spelling of 525173 in words is "five hundred twenty-five thousand, one hundred seventy-three".