520051351 has 4 divisors (see below), whose sum is σ = 524911752. Its totient is φ = 515190952.

The previous prime is 520051309. The next prime is 520051361. The reversal of 520051351 is 153150025.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 520051351 - 2¹⁷ = 519920279 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 (520051361) 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, 2430040 + ... + 2430253.

It is an arithmetic number, because the mean of its divisors is an integer number (131227938).

Almost surely, 2^520051351 is an apocalyptic number.

520051351 is a deficient number, since it is larger than the sum of its proper divisors (4860401).

520051351 is a wasteful number, since it uses less digits than its factorization.

520051351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4860400.

The product of its (nonzero) digits is 750, while the sum is 22.

The square root of 520051351 is about 22804.6344193456. The cubic root of 520051351 is about 804.1716211399.

The spelling of 520051351 in words is "five hundred twenty million, fifty-one thousand, three hundred fifty-one".