520370983 has 8 divisors (see below), whose sum is σ = 587252880. Its totient is φ = 456751680.

The previous prime is 520370971. The next prime is 520370987. The reversal of 520370983 is 389073025.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 520370983 - 2¹⁷ = 520239911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520370987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 815310 + ... + 815947.

It is an arithmetic number, because the mean of its divisors is an integer number (73406610).

Almost surely, 2^520370983 is an apocalyptic number.

520370983 is a deficient number, since it is larger than the sum of its proper divisors (66881897).

520370983 is a wasteful number, since it uses less digits than its factorization.

520370983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1631297.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 520370983 is about 22811.6413920612. The cubic root of 520370983 is about 804.3363397079.

The spelling of 520370983 in words is "five hundred twenty million, three hundred seventy thousand, nine hundred eighty-three".