525414330 has 128 divisors (see below), whose sum is σ = 1617408000. Its totient is φ = 118884672.

The previous prime is 525414287. The next prime is 525414343. The reversal of 525414330 is 33414525.

525414330 is a `hidden beast` number, since 52 + 541 + 43 + 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 = 525414294 and 525414303.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 193321 + ... + 196019.

It is an arithmetic number, because the mean of its divisors is an integer number (12636000).

Almost surely, 2^525414330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 525414330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (808704000).

525414330 is an abundant number, since it is smaller than the sum of its proper divisors (1091993670).

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

525414330 is a wasteful number, since it uses less digits than its factorization.

525414330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2825 (or 2819 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 525414330 is about 22921.9181134564. The cubic root of 525414330 is about 806.9264868567.

Adding to 525414330 its reverse (33414525), we get a palindrome (558828855).

The spelling of 525414330 in words is "five hundred twenty-five million, four hundred fourteen thousand, three hundred thirty".