520228193 has 16 divisors (see below), whose sum is σ = 539136000. Its totient is φ = 501747792.

The previous prime is 520228171. The next prime is 520228199. The reversal of 520228193 is 391822025.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 520228193 - 2⁸ = 520227937 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (520228199) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1113746 + ... + 1114212.

It is an arithmetic number, because the mean of its divisors is an integer number (33696000).

Almost surely, 2^520228193 is an apocalyptic number.

It is an amenable number.

520228193 is a deficient number, since it is larger than the sum of its proper divisors (18907807).

520228193 is a wasteful number, since it uses less digits than its factorization.

520228193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 844.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 520228193 is about 22808.5114156974. The cubic root of 520228193 is about 804.2627629096.

The spelling of 520228193 in words is "five hundred twenty million, two hundred twenty-eight thousand, one hundred ninety-three".