525434443 has 4 divisors (see below), whose sum is σ = 525503320. Its totient is φ = 525365568.

The previous prime is 525434423. The next prime is 525434449. The reversal of 525434443 is 344434525.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 525434443 - 2⁵ = 525434411 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 525434399 and 525434408.

It is not an unprimeable number, because it can be changed into a prime (525434449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21333 + ... + 38806.

It is an arithmetic number, because the mean of its divisors is an integer number (131375830).

Almost surely, 2^525434443 is an apocalyptic number.

525434443 is a deficient number, since it is larger than the sum of its proper divisors (68877).

525434443 is an equidigital number, since it uses as much as digits as its factorization.

525434443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68876.

The product of its digits is 115200, while the sum is 34.

The square root of 525434443 is about 22922.3568378123. The cubic root of 525434443 is about 806.9367831787.

Adding to 525434443 its reverse (344434525), we get a palindrome (869868968).

The spelling of 525434443 in words is "five hundred twenty-five million, four hundred thirty-four thousand, four hundred forty-three".