505474 has 4 divisors (see below), whose sum is σ = 758214. Its totient is φ = 252736.

The previous prime is 505469. The next prime is 505481. The reversal of 505474 is 474505.

505474 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 499849 + 5625 = 707^2 + 75^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126367 + ... + 126370.

2⁵⁰⁵⁴⁷⁴ is an apocalyptic number.

505474 is a deficient number, since it is larger than the sum of its proper divisors (252740).

505474 is a wasteful number, since it uses less digits than its factorization.

505474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252739.

The product of its (nonzero) digits is 2800, while the sum is 25.

The square root of 505474 is about 710.9669471923. The cubic root of 505474 is about 79.6586497382.

Adding to 505474 its reverse (474505), we get a palindrome (979979).

It can be divided in two parts, 505 and 474, that added together give a palindrome (979).

The spelling of 505474 in words is "five hundred five thousand, four hundred seventy-four".