525210 has 64 divisors (see below), whose sum is σ = 1499904. Its totient is φ = 115200.

The previous prime is 525209. The next prime is 525221. The reversal of 525210 is 12525.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 525210.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 8580 + ... + 8640.

It is an arithmetic number, because the mean of its divisors is an integer number (23436).

2⁵²⁵²¹⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 525210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (749952).

525210 is an abundant number, since it is smaller than the sum of its proper divisors (974694).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

525210 is a wasteful number, since it uses less digits than its factorization.

525210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119.

The product of its (nonzero) digits is 100, while the sum is 15.

The square root of 525210 is about 724.7137365885. The cubic root of 525210 is about 80.6821870584.

Adding to 525210 its reverse (12525), we get a palindrome (537735).

The spelling of 525210 in words is "five hundred twenty-five thousand, two hundred ten".