525435240 has 96 divisors (see below), whose sum is σ = 1732681440. Its totient is φ = 127374720.

The previous prime is 525435223. The next prime is 525435257. The reversal of 525435240 is 42534525.

It is an interprime number because it is at equal distance from previous prime (525435223) and next prime (525435257).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 525435198 and 525435207.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3574 + ... + 32613.

It is an arithmetic number, because the mean of its divisors is an integer number (18048765).

Almost surely, 2^525435240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 525435240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (866340720).

525435240 is an abundant number, since it is smaller than the sum of its proper divisors (1207246200).

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

525435240 is a wasteful number, since it uses less digits than its factorization.

525435240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36223 (or 36208 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 30.

The square root of 525435240 is about 22922.3742225800. The cubic root of 525435240 is about 806.9371911765.

Adding to 525435240 its reverse (42534525), we get a palindrome (567969765).

The spelling of 525435240 in words is "five hundred twenty-five million, four hundred thirty-five thousand, two hundred forty".