505492 has 12 divisors (see below), whose sum is σ = 952756. Its totient is φ = 233280.

The previous prime is 505481. The next prime is 505493. The reversal of 505492 is 294505.

It can be written as a sum of positive squares in 2 ways, for example, as 37636 + 467856 = 194^2 + 684^2 .

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505493) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 4809 + ... + 4912.

2⁵⁰⁵⁴⁹² is an apocalyptic number.

505492 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

505492 is a deficient number, since it is larger than the sum of its proper divisors (447264).

505492 is a wasteful number, since it uses less digits than its factorization.

505492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9738 (or 9736 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 505492 is about 710.9796058960. The cubic root of 505492 is about 79.6595952789.

Adding to 505492 its reverse (294505), we get a palindrome (799997).

The spelling of 505492 in words is "five hundred five thousand, four hundred ninety-two".