525830130 has 192 divisors, whose sum is σ = 1706664960. Its totient is φ = 113793984.

The previous prime is 525830099. The next prime is 525830147. The reversal of 525830130 is 31038525.

525830130 is a `hidden beast` number, since 52 + 583 + 0 + 1 + 30 = 666.

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 = 525830094 and 525830103.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 322377 + ... + 324003.

It is an arithmetic number, because the mean of its divisors is an integer number (8888880).

Almost surely, 2^525830130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 525830130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (853332480).

525830130 is an abundant number, since it is smaller than the sum of its proper divisors (1180834830).

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

525830130 is a wasteful number, since it uses less digits than its factorization.

525830130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1675 (or 1663 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 525830130 is about 22930.9862413286. The cubic root of 525830130 is about 807.1392913335.

Adding to 525830130 its reverse (31038525), we get a palindrome (556868655).

The spelling of 525830130 in words is "five hundred twenty-five million, eight hundred thirty thousand, one hundred thirty".