505268 has 6 divisors (see below), whose sum is σ = 884226. Its totient is φ = 252632.

The previous prime is 505237. The next prime is 505277. The reversal of 505268 is 862505.

505268 is nontrivially palindromic in base 3.

It can be written as a sum of positive squares in only one way, i.e., 327184 + 178084 = 572^2 + 422^2 .

It is a congruent number.

It is an unprimeable number.

505268 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63155 + ... + 63162.

It is an arithmetic number, because the mean of its divisors is an integer number (147371).

2⁵⁰⁵²⁶⁸ is an apocalyptic number.

It is an amenable number.

505268 is a deficient number, since it is larger than the sum of its proper divisors (378958).

505268 is a wasteful number, since it uses less digits than its factorization.

505268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126321 (or 126319 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 505268 is about 710.8220593088. The cubic root of 505268 is about 79.6478269517.

The spelling of 505268 in words is "five hundred five thousand, two hundred sixty-eight".