525130424 has 32 divisors (see below), whose sum is σ = 1211841120. Its totient is φ = 207743616.

The previous prime is 525130423. The next prime is 525130439. The reversal of 525130424 is 424031525.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 525130393 and 525130402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525130423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 359939 + ... + 361394.

It is an arithmetic number, because the mean of its divisors is an integer number (37870035).

Almost surely, 2^525130424 is an apocalyptic number.

It is an amenable number.

525130424 is an abundant number, since it is smaller than the sum of its proper divisors (686710696).

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

525130424 is a wasteful number, since it uses less digits than its factorization.

525130424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721359 (or 721355 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 525130424 is about 22915.7243830519. The cubic root of 525130424 is about 806.7811205979.

Adding to 525130424 its reverse (424031525), we get a palindrome (949161949).

The spelling of 525130424 in words is "five hundred twenty-five million, one hundred thirty thousand, four hundred twenty-four".