520773037 has 4 divisors (see below), whose sum is σ = 521108640. Its totient is φ = 520437436.

The previous prime is 520773023. The next prime is 520773059. The reversal of 520773037 is 730377025.

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 520773037 - 2¹¹ = 520770989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 520772993 and 520773011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520773007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165463 + ... + 168580.

It is an arithmetic number, because the mean of its divisors is an integer number (130277160).

Almost surely, 2^520773037 is an apocalyptic number.

It is an amenable number.

520773037 is a deficient number, since it is larger than the sum of its proper divisors (335603).

520773037 is a wasteful number, since it uses less digits than its factorization.

520773037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335602.

The product of its (nonzero) digits is 30870, while the sum is 34.

The square root of 520773037 is about 22820.4521646702. The cubic root of 520773037 is about 804.5434377226.

The spelling of 520773037 in words is "five hundred twenty million, seven hundred seventy-three thousand, thirty-seven".