529225 has 6 divisors (see below), whose sum is σ = 656270. Its totient is φ = 423360.

The previous prime is 529213. The next prime is 529229. The reversal of 529225 is 522925.

It can be written as a sum of positive squares in 3 ways, for example, as 149769 + 379456 = 387^2 + 616^2 .

It is not a de Polignac number, because 529225 - 2⁷ = 529097 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 21169 = 529225 / (5 + 2 + 9 + 2 + 2 + 5).

529225 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 529225.

It is not an unprimeable number, because it can be changed into a prime (529229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10560 + ... + 10609.

2⁵²⁹²²⁵ is an apocalyptic number.

It is an amenable number.

529225 is a deficient number, since it is larger than the sum of its proper divisors (127045).

529225 is a wasteful number, since it uses less digits than its factorization.

529225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21179 (or 21174 counting only the distinct ones).

The product of its digits is 1800, while the sum is 25.

The square root of 529225 is about 727.4785220197. The cubic root of 529225 is about 80.8872586880.

It can be divided in two parts, 529 and 225, that multiplied together give a square (119025 = 345²).

The spelling of 529225 in words is "five hundred twenty-nine thousand, two hundred twenty-five".