525440343 has 8 divisors (see below), whose sum is σ = 700720128. Its totient is φ = 350227064.

The previous prime is 525440341. The next prime is 525440351. The reversal of 525440343 is 343044525.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 525440343 - 2¹ = 525440341 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 525440343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525440341) 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, 6346 + ... + 33032.

It is an arithmetic number, because the mean of its divisors is an integer number (87590016).

Almost surely, 2^525440343 is an apocalyptic number.

525440343 is a deficient number, since it is larger than the sum of its proper divisors (175279785).

525440343 is a wasteful number, since it uses less digits than its factorization.

525440343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33253.

The product of its (nonzero) digits is 28800, while the sum is 30.

The square root of 525440343 is about 22922.4855327689. The cubic root of 525440343 is about 806.9398034789.

Adding to 525440343 its reverse (343044525), we get a palindrome (868484868).

The spelling of 525440343 in words is "five hundred twenty-five million, four hundred forty thousand, three hundred forty-three".