505432 has 8 divisors (see below), whose sum is σ = 947700. Its totient is φ = 252712.

The previous prime is 505429. The next prime is 505447. The reversal of 505432 is 234505.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 31582 + ... + 31597.

2⁵⁰⁵⁴³² is an apocalyptic number.

It is an amenable number.

505432 is a deficient number, since it is larger than the sum of its proper divisors (442268).

505432 is a wasteful number, since it uses less digits than its factorization.

505432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63185 (or 63181 counting only the distinct ones).

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

The square root of 505432 is about 710.9374093407. The cubic root of 505432 is about 79.6564433894.

Adding to 505432 its reverse (234505), we get a palindrome (739937).

The spelling of 505432 in words is "five hundred five thousand, four hundred thirty-two".