525144 has 16 divisors (see below), whose sum is σ = 1312920. Its totient is φ = 175040.

The previous prime is 525143. The next prime is 525157. The reversal of 525144 is 441525.

It is a nialpdrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 525144.

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, 10917 + ... + 10964.

2⁵²⁵¹⁴⁴ is an apocalyptic number.

It is an amenable number.

525144 is an abundant number, since it is smaller than the sum of its proper divisors (787776).

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

525144 is a wasteful number, since it uses less digits than its factorization.

525144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21890 (or 21886 counting only the distinct ones).

The product of its digits is 800, while the sum is 21.

The square root of 525144 is about 724.6681999370. The cubic root of 525144 is about 80.6788073008.

Adding to 525144 its reverse (441525), we get a palindrome (966669).

The spelling of 525144 in words is "five hundred twenty-five thousand, one hundred forty-four".