522052193 has 4 divisors (see below), whose sum is σ = 562210068. Its totient is φ = 481894320.

The previous prime is 522052177. The next prime is 522052199. The reversal of 522052193 is 391250225.

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

It can be written as a sum of positive squares in 2 ways, for example, as 224041024 + 298011169 = 14968^2 + 17263^2 .

It is a cyclic number.

It is not a de Polignac number, because 522052193 - 2⁴ = 522052177 is a prime.

It is a super-2 number, since 2×522052193² = 545076984432218498, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (522052199) 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, 20078918 + ... + 20078943.

It is an arithmetic number, because the mean of its divisors is an integer number (140552517).

Almost surely, 2^522052193 is an apocalyptic number.

It is an amenable number.

522052193 is a deficient number, since it is larger than the sum of its proper divisors (40157875).

522052193 is a wasteful number, since it uses less digits than its factorization.

522052193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40157874.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 522052193 is about 22848.4615018167. The cubic root of 522052193 is about 805.2016227861.

The spelling of 522052193 in words is "five hundred twenty-two million, fifty-two thousand, one hundred ninety-three".