520373933 has 4 divisors (see below), whose sum is σ = 520709280. Its totient is φ = 520038588.

The previous prime is 520373921. The next prime is 520373963. The reversal of 520373933 is 339373025.

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 520373933 - 2⁸ = 520373677 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 520373893 and 520373902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520373963) 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, 165335 + ... + 168452.

It is an arithmetic number, because the mean of its divisors is an integer number (130177320).

Almost surely, 2^520373933 is an apocalyptic number.

It is an amenable number.

520373933 is a deficient number, since it is larger than the sum of its proper divisors (335347).

520373933 is a wasteful number, since it uses less digits than its factorization.

520373933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335346.

The product of its (nonzero) digits is 51030, while the sum is 35.

The square root of 520373933 is about 22811.7060519375. The cubic root of 520373933 is about 804.3378596413.

The spelling of 520373933 in words is "five hundred twenty million, three hundred seventy-three thousand, nine hundred thirty-three".