525270 has 16 divisors (see below), whose sum is σ = 1260720. Its totient is φ = 140064.

The previous prime is 525257. The next prime is 525299. The reversal of 525270 is 72525.

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

It is a congruent number.

It is an unprimeable number.

525270 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8725 + ... + 8784.

It is an arithmetic number, because the mean of its divisors is an integer number (78795).

2⁵²⁵²⁷⁰ is an apocalyptic number.

525270 is an abundant number, since it is smaller than the sum of its proper divisors (735450).

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

525270 is a wasteful number, since it uses less digits than its factorization.

525270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17519.

The product of its (nonzero) digits is 700, while the sum is 21.

The square root of 525270 is about 724.7551310615. The cubic root of 525270 is about 80.6852593195.

Adding to 525270 its reverse (72525), we get a palindrome (597795).

The spelling of 525270 in words is "five hundred twenty-five thousand, two hundred seventy".