525498 has 8 divisors (see below), whose sum is σ = 1051008. Its totient is φ = 175164.

The previous prime is 525493. The next prime is 525517. The reversal of 525498 is 894525.

It is a sphenic number, since it is the product of 3 distinct primes.

525498 is an admirable number.

It is a super-2 number, since 2×525498² = 552296296008, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 525498.

It is not an unprimeable number, because it can be changed into a prime (525491) by changing a digit.

525498 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 (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43786 + ... + 43797.

It is an arithmetic number, because the mean of its divisors is an integer number (131376).

2⁵²⁵⁴⁹⁸ is an apocalyptic number.

525498 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

525498 is a wasteful number, since it uses less digits than its factorization.

525498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87588.

The product of its digits is 14400, while the sum is 33.

The square root of 525498 is about 724.9124085019. The cubic root of 525498 is about 80.6969317788.

The spelling of 525498 in words is "five hundred twenty-five thousand, four hundred ninety-eight".