522451044421 has 8 divisors (see below), whose sum is σ = 524360561504. Its totient is φ = 520544510640.

The previous prime is 522451044413. The next prime is 522451044439. The reversal of 522451044421 is 124440154225.

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 522451044421 - 2³ = 522451044413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522451054421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 394635 + ... + 1095736.

It is an arithmetic number, because the mean of its divisors is an integer number (65545070188).

Almost surely, 2^522451044421 is an apocalyptic number.

It is an amenable number.

522451044421 is a deficient number, since it is larger than the sum of its proper divisors (1909517083).

522451044421 is a wasteful number, since it uses less digits than its factorization.

522451044421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1491651.

The product of its (nonzero) digits is 51200, while the sum is 34.

Adding to 522451044421 its reverse (124440154225), we get a palindrome (646891198646).

The spelling of 522451044421 in words is "five hundred twenty-two billion, four hundred fifty-one million, forty-four thousand, four hundred twenty-one".