525750 has 32 divisors (see below), whose sum is σ = 1314144. Its totient is φ = 140000.

The previous prime is 525739. The next prime is 525769. The reversal of 525750 is 57525.

It is a zygodrome in base 5 and base 9.

It is a self number, because there is not a number n which added to its sum of digits gives 525750.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 400 + ... + 1100.

It is an arithmetic number, because the mean of its divisors is an integer number (41067).

2⁵²⁵⁷⁵⁰ is an apocalyptic number.

525750 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 525750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (657072).

525750 is an abundant number, since it is smaller than the sum of its proper divisors (788394).

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

525750 is a wasteful number, since it uses less digits than its factorization.

525750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721 (or 711 counting only the distinct ones).

The product of its (nonzero) digits is 1750, while the sum is 24.

The square root of 525750 is about 725.0862017719. The cubic root of 525750 is about 80.7098289907.

It can be divided in two parts, 525 and 750, that added together give a triangular number (1275 = T₅₀).

The spelling of 525750 in words is "five hundred twenty-five thousand, seven hundred fifty".