505364 has 6 divisors (see below), whose sum is σ = 884394. Its totient is φ = 252680.

The previous prime is 505357. The next prime is 505367. The reversal of 505364 is 463505.

It can be written as a sum of positive squares in only one way, i.e., 293764 + 211600 = 542^2 + 460^2 .

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 505364.

It is not an unprimeable number, because it can be changed into a prime (505367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63167 + ... + 63174.

It is an arithmetic number, because the mean of its divisors is an integer number (147399).

2⁵⁰⁵³⁶⁴ is an apocalyptic number.

It is an amenable number.

505364 is a deficient number, since it is larger than the sum of its proper divisors (379030).

505364 is a wasteful number, since it uses less digits than its factorization.

505364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126345 (or 126343 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 505364 is about 710.8895835501. The cubic root of 505364 is about 79.6528709463.

Adding to 505364 its reverse (463505), we get a palindrome (968869).

The spelling of 505364 in words is "five hundred five thousand, three hundred sixty-four".