522054321 has 4 divisors (see below), whose sum is σ = 696072432. Its totient is φ = 348036212.

The previous prime is 522054311. The next prime is 522054329. The reversal of 522054321 is 123450225.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 522054321 - 2⁵ = 522054289 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 522054291 and 522054300.

It is not an unprimeable number, because it can be changed into a prime (522054329) 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, 87009051 + ... + 87009056.

It is an arithmetic number, because the mean of its divisors is an integer number (174018108).

Almost surely, 2^522054321 is an apocalyptic number.

It is an amenable number.

522054321 is a deficient number, since it is larger than the sum of its proper divisors (174018111).

522054321 is a wasteful number, since it uses less digits than its factorization.

522054321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174018110.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 522054321 is about 22848.5080694561. The cubic root of 522054321 is about 805.2027168444.

The spelling of 522054321 in words is "five hundred twenty-two million, fifty-four thousand, three hundred twenty-one".