505304001 has 10 divisors (see below), whose sum is σ = 754836962. Its totient is φ = 336869280.

The previous prime is 505303949. The next prime is 505304047. The reversal of 505304001 is 100403505.

It can be written as a sum of positive squares in only one way, i.e., 274233600 + 231070401 = 16560^2 + 15201^2 .

It is not a de Polignac number, because 505304001 - 2¹⁰ = 505302977 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (505304201) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 3119080 + ... + 3119241.

Almost surely, 2^505304001 is an apocalyptic number.

It is an amenable number.

505304001 is a deficient number, since it is larger than the sum of its proper divisors (249532961).

505304001 is an equidigital number, since it uses as much as digits as its factorization.

505304001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6238333 (or 6238324 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 505304001 is about 22478.9679700826. The cubic root of 505304001 is about 796.4971857711.

Adding to 505304001 its reverse (100403505), we get a palindrome (605707506).

The spelling of 505304001 in words is "five hundred five million, three hundred four thousand, one".