505334201 has 4 divisors (see below), whose sum is σ = 506782500. Its totient is φ = 503885904.

The previous prime is 505334183. The next prime is 505334213. The reversal of 505334201 is 102433505.

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

It can be written as a sum of positive squares in 2 ways, for example, as 320374201 + 184960000 = 17899^2 + 13600^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-505334201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (505334261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 723626 + ... + 724323.

It is an arithmetic number, because the mean of its divisors is an integer number (126695625).

Almost surely, 2^505334201 is an apocalyptic number.

It is an amenable number.

505334201 is a deficient number, since it is larger than the sum of its proper divisors (1448299).

505334201 is a wasteful number, since it uses less digits than its factorization.

505334201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1448298.

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

The square root of 505334201 is about 22479.6396990699. The cubic root of 505334201 is about 796.5130532725.

Adding to 505334201 its reverse (102433505), we get a palindrome (607767706).

The spelling of 505334201 in words is "five hundred five million, three hundred thirty-four thousand, two hundred one".