525424 has 10 divisors (see below), whose sum is σ = 1018040. Its totient is φ = 262704.

The previous prime is 525409. The next prime is 525431. The reversal of 525424 is 424525.

It is a junction number, because it is equal to n+sod(n) for n = 525395 and 525404.

It is a congruent number.

It is an unprimeable 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 as a sum of consecutive naturals, namely, 16404 + ... + 16435.

It is an arithmetic number, because the mean of its divisors is an integer number (101804).

2⁵²⁵⁴²⁴ is an apocalyptic number.

It is an amenable number.

525424 is a deficient number, since it is larger than the sum of its proper divisors (492616).

525424 is a wasteful number, since it uses less digits than its factorization.

525424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32847 (or 32841 counting only the distinct ones).

The product of its digits is 1600, while the sum is 22.

The square root of 525424 is about 724.8613660556. The cubic root of 525424 is about 80.6931437192.

Adding to 525424 its reverse (424525), we get a palindrome (949949).

It can be divided in two parts, 525 and 424, that added together give a palindrome (949).

The spelling of 525424 in words is "five hundred twenty-five thousand, four hundred twenty-four".