520573505371 has 8 divisors (see below), whose sum is σ = 526166508560. Its totient is φ = 514995358752.

The previous prime is 520573505369. The next prime is 520573505401. The reversal of 520573505371 is 173505375025.

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

It is a cyclic number.

It is not a de Polignac number, because 520573505371 - 2¹ = 520573505369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (520573505311) 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, 3643680 + ... + 3783853.

It is an arithmetic number, because the mean of its divisors is an integer number (65770813570).

Almost surely, 2^520573505371 is an apocalyptic number.

520573505371 is a deficient number, since it is larger than the sum of its proper divisors (5593003189).

520573505371 is a wasteful number, since it uses less digits than its factorization.

520573505371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7428285.

The product of its (nonzero) digits is 551250, while the sum is 43.

The spelling of 520573505371 in words is "five hundred twenty billion, five hundred seventy-three million, five hundred five thousand, three hundred seventy-one".