525324042 has 20 divisors (see below), whose sum is σ = 1177115346. Its totient is φ = 175107960.

The previous prime is 525324011. The next prime is 525324049. The reversal of 525324042 is 240423525.

It is a happy number.

525324042 is a `hidden beast` number, since 5 + 253 + 2 + 404 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 410427081 + 114896961 = 20259^2 + 10719^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 525323997 and 525324015.

It is not an unprimeable number, because it can be changed into a prime (525324049) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1621209 + ... + 1621532.

Almost surely, 2^525324042 is an apocalyptic number.

525324042 is an abundant number, since it is smaller than the sum of its proper divisors (651791304).

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

525324042 is a wasteful number, since it uses less digits than its factorization.

525324042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3242755 (or 3242746 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 525324042 is about 22919.9485601517. The cubic root of 525324042 is about 806.8802630494.

Adding to 525324042 its reverse (240423525), we get a palindrome (765747567).

The spelling of 525324042 in words is "five hundred twenty-five million, three hundred twenty-four thousand, forty-two".