525136 has 20 divisors (see below), whose sum is σ = 1062432. Its totient is φ = 250976.

The previous prime is 525127. The next prime is 525137. The reversal of 525136 is 631525.

It is a happy number.

525136 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525137) by changing a digit.

525136 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 3 ways as a sum of consecutive naturals, for example, 346 + ... + 1081.

2⁵²⁵¹³⁶ is an apocalyptic number.

It is an amenable number.

525136 is an abundant number, since it is smaller than the sum of its proper divisors (537296).

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

525136 is a wasteful number, since it uses less digits than its factorization.

525136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1458 (or 1452 counting only the distinct ones).

The product of its digits is 900, while the sum is 22.

The square root of 525136 is about 724.6626801485. The cubic root of 525136 is about 80.6783976140.

The spelling of 525136 in words is "five hundred twenty-five thousand, one hundred thirty-six".