525422444 has 6 divisors (see below), whose sum is σ = 919489284. Its totient is φ = 262711220.

The previous prime is 525422431. The next prime is 525422477. The reversal of 525422444 is 444224525.

It is a self number, because there is not a number n which added to its sum of digits gives 525422444.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 65677802 + ... + 65677809.

It is an arithmetic number, because the mean of its divisors is an integer number (153248214).

Almost surely, 2^525422444 is an apocalyptic number.

It is an amenable number.

525422444 is a deficient number, since it is larger than the sum of its proper divisors (394066840).

525422444 is a wasteful number, since it uses less digits than its factorization.

525422444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131355615 (or 131355613 counting only the distinct ones).

The product of its digits is 51200, while the sum is 32.

The square root of 525422444 is about 22922.0951049419. The cubic root of 525422444 is about 806.9306406375.

Adding to 525422444 its reverse (444224525), we get a palindrome (969646969).

The spelling of 525422444 in words is "five hundred twenty-five million, four hundred twenty-two thousand, four hundred forty-four".