520053143 has 8 divisors (see below), whose sum is σ = 551108880. Its totient is φ = 489872320.

The previous prime is 520053109. The next prime is 520053151. The reversal of 520053143 is 341350025.

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 520053143 - 2⁸ = 520052887 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520053173) 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, 217505 + ... + 219882.

It is an arithmetic number, because the mean of its divisors is an integer number (68888610).

Almost surely, 2^520053143 is an apocalyptic number.

520053143 is a deficient number, since it is larger than the sum of its proper divisors (31055737).

520053143 is a wasteful number, since it uses less digits than its factorization.

520053143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437457.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 520053143 is about 22804.6737095710. The cubic root of 520053143 is about 804.1725448140.

The spelling of 520053143 in words is "five hundred twenty million, fifty-three thousand, one hundred forty-three".