505194 has 8 divisors (see below), whose sum is σ = 1010400. Its totient is φ = 168396.

The previous prime is 505187. The next prime is 505201. The reversal of 505194 is 491505.

It is an interprime number because it is at equal distance from previous prime (505187) and next prime (505201).

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

505194 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42094 + ... + 42105.

It is an arithmetic number, because the mean of its divisors is an integer number (126300).

2⁵⁰⁵¹⁹⁴ is an apocalyptic number.

505194 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

505194 is a wasteful number, since it uses less digits than its factorization.

505194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84204.

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 505194 is about 710.7700049946. The cubic root of 505194 is about 79.6439384365.

Adding to 505194 its reverse (491505), we get a palindrome (996699).

Subtracting from 505194 its reverse (491505), we obtain a square (13689 = 117²).

The spelling of 505194 in words is "five hundred five thousand, one hundred ninety-four".