525422 has 8 divisors (see below), whose sum is σ = 815400. Its totient is φ = 253624.

The previous prime is 525409. The next prime is 525431. The reversal of 525422 is 224525.

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

It is a d-powerful number, because it can be written as 5 + 2⁶ + 4² + 5² + 2¹⁰ + 2¹⁹ .

It is a junction number, because it is equal to n+sod(n) for n = 525394 and 525403.

It is a congruent number.

It is an unprimeable number.

525422 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, 4472 + ... + 4587.

It is an arithmetic number, because the mean of its divisors is an integer number (101925).

2⁵²⁵⁴²² is an apocalyptic number.

525422 is a deficient number, since it is larger than the sum of its proper divisors (289978).

525422 is a wasteful number, since it uses less digits than its factorization.

525422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9090.

The product of its digits is 800, while the sum is 20.

The square root of 525422 is about 724.8599864801. The cubic root of 525422 is about 80.6930413343.

Adding to 525422 its reverse (224525), we get a palindrome (749947).

The spelling of 525422 in words is "five hundred twenty-five thousand, four hundred twenty-two".