520633223 has 4 divisors (see below), whose sum is σ = 567963528. Its totient is φ = 473302920.

The previous prime is 520633181. The next prime is 520633277. The reversal of 520633223 is 322336025.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 520633223 - 2¹⁶ = 520567687 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 520633192 and 520633201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520633283) 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, 23665136 + ... + 23665157.

It is an arithmetic number, because the mean of its divisors is an integer number (141990882).

Almost surely, 2^520633223 is an apocalyptic number.

520633223 is a deficient number, since it is larger than the sum of its proper divisors (47330305).

520633223 is a wasteful number, since it uses less digits than its factorization.

520633223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47330304.

The product of its (nonzero) digits is 6480, while the sum is 26.

The square root of 520633223 is about 22817.3886104436. The cubic root of 520633223 is about 804.4714316238.

Adding to 520633223 its reverse (322336025), we get a palindrome (842969248).

The spelling of 520633223 in words is "five hundred twenty million, six hundred thirty-three thousand, two hundred twenty-three".