525380 has 24 divisors (see below), whose sum is σ = 1118040. Its totient is φ = 207360.

The previous prime is 525379. The next prime is 525391. The reversal of 525380 is 83525.

It can be written as a sum of positive squares in 4 ways, for example, as 145924 + 379456 = 382^2 + 616^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2060 + ... + 2300.

It is an arithmetic number, because the mean of its divisors is an integer number (46585).

2⁵²⁵³⁸⁰ is an apocalyptic number.

It is an amenable number.

525380 is an abundant number, since it is smaller than the sum of its proper divisors (592660).

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

525380 is a wasteful number, since it uses less digits than its factorization.

525380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359 (or 357 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 525380 is about 724.8310147890. The cubic root of 525380 is about 80.6908911908.

The spelling of 525380 in words is "five hundred twenty-five thousand, three hundred eighty".