505342 has 16 divisors (see below), whose sum is σ = 816480. Its totient is φ = 233728.

The previous prime is 505339. The next prime is 505357. The reversal of 505342 is 243505.

It is a happy number.

505342 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2943 + ... + 3109.

It is an arithmetic number, because the mean of its divisors is an integer number (51030).

2⁵⁰⁵³⁴² is an apocalyptic number.

505342 is a deficient number, since it is larger than the sum of its proper divisors (311138).

505342 is a wasteful number, since it uses less digits than its factorization.

505342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275.

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 505342 is about 710.8741098113. The cubic root of 505342 is about 79.6517150873.

Adding to 505342 its reverse (243505), we get a palindrome (748847).

It can be divided in two parts, 5053 and 42, that multiplied together give a triangular number (212226 = T₆₅₁).

The spelling of 505342 in words is "five hundred five thousand, three hundred forty-two".