520160403 has 32 divisors (see below), whose sum is σ = 808584192. Its totient is φ = 291312000.

The previous prime is 520160383. The next prime is 520160429. The reversal of 520160403 is 304061025.

It is a happy number.

It is not a de Polignac number, because 520160403 - 2¹⁰ = 520159379 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 520160403.

It is not an unprimeable number, because it can be changed into a prime (520160453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 217273 + ... + 219653.

It is an arithmetic number, because the mean of its divisors is an integer number (25268256).

Almost surely, 2^520160403 is an apocalyptic number.

520160403 is a deficient number, since it is larger than the sum of its proper divisors (288423789).

520160403 is a wasteful number, since it uses less digits than its factorization.

520160403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2595.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 520160403 is about 22807.0252992362. The cubic root of 520160403 is about 804.2278273808.

The spelling of 520160403 in words is "five hundred twenty million, one hundred sixty thousand, four hundred three".