520194 has 16 divisors (see below), whose sum is σ = 1048320. Its totient is φ = 172080.

The previous prime is 520193. The next prime is 520213. The reversal of 520194 is 491025.

It is a self number, because there is not a number n which added to its sum of digits gives 520194.

It is not an unprimeable number, because it can be changed into a prime (520193) 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, 847 + ... + 1325.

It is an arithmetic number, because the mean of its divisors is an integer number (65520).

2⁵²⁰¹⁹⁴ is an apocalyptic number.

520194 is an abundant number, since it is smaller than the sum of its proper divisors (528126).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

520194 is a wasteful number, since it uses less digits than its factorization.

520194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 520194 is about 721.2447573466. The cubic root of 520194 is about 80.4245141950.

The spelling of 520194 in words is "five hundred twenty thousand, one hundred ninety-four".