520132233 has 4 divisors (see below), whose sum is σ = 693509648. Its totient is φ = 346754820.

The previous prime is 520132219. The next prime is 520132237. The reversal of 520132233 is 332231025.

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 not a de Polignac number, because 520132233 - 2⁶ = 520132169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (520132237) 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, 86688703 + ... + 86688708.

It is an arithmetic number, because the mean of its divisors is an integer number (173377412).

Almost surely, 2^520132233 is an apocalyptic number.

It is an amenable number.

520132233 is a deficient number, since it is larger than the sum of its proper divisors (173377415).

520132233 is a wasteful number, since it uses less digits than its factorization.

520132233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173377414.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 520132233 is about 22806.4077180077. The cubic root of 520132233 is about 804.2133090984.

Adding to 520132233 its reverse (332231025), we get a palindrome (852363258).

The spelling of 520132233 in words is "five hundred twenty million, one hundred thirty-two thousand, two hundred thirty-three".