505435 has 12 divisors (see below), whose sum is σ = 705888. Its totient is φ = 346416.

The previous prime is 505429. The next prime is 505447. The reversal of 505435 is 534505.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-505435 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 787 + ... + 1276.

It is an arithmetic number, because the mean of its divisors is an integer number (58824).

2⁵⁰⁵⁴³⁵ is an apocalyptic number.

505435 is a deficient number, since it is larger than the sum of its proper divisors (200453).

505435 is a wasteful number, since it uses less digits than its factorization.

505435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2082 (or 2075 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 22.

The square root of 505435 is about 710.9395192279. The cubic root of 505435 is about 79.6566009898.

The spelling of 505435 in words is "five hundred five thousand, four hundred thirty-five".