525396 has 12 divisors (see below), whose sum is σ = 1225952. Its totient is φ = 175128.

The previous prime is 525391. The next prime is 525397. The reversal of 525396 is 693525.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a d-powerful number, because it can be written as 5 + 2¹⁹ + 3⁵ + 5³ + 9³ + 6 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525391) by changing a digit.

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, 21880 + ... + 21903.

2⁵²⁵³⁹⁶ is an apocalyptic number.

It is an amenable number.

525396 is an abundant number, since it is smaller than the sum of its proper divisors (700556).

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

525396 is a wasteful number, since it uses less digits than its factorization.

525396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43790 (or 43788 counting only the distinct ones).

The product of its digits is 8100, while the sum is 30.

The square root of 525396 is about 724.8420517602. The cubic root of 525396 is about 80.6917103066.

The spelling of 525396 in words is "five hundred twenty-five thousand, three hundred ninety-six".