525580 has 24 divisors (see below), whose sum is σ = 1204560. Its totient is φ = 191040.

The previous prime is 525571. The next prime is 525583. The reversal of 525580 is 85525.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525583) by changing a digit.

525580 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 975 + ... + 1414.

It is an arithmetic number, because the mean of its divisors is an integer number (50190).

2⁵²⁵⁵⁸⁰ is an apocalyptic number.

It is an amenable number.

525580 is an abundant number, since it is smaller than the sum of its proper divisors (678980).

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

525580 is a wasteful number, since it uses less digits than its factorization.

525580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2409 (or 2407 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 525580 is about 724.9689648530. The cubic root of 525580 is about 80.7011289431.

It can be divided in two parts, 5255 and 80, that added together give a palindrome (5335).

The spelling of 525580 in words is "five hundred twenty-five thousand, five hundred eighty".