505322201 has 2 divisors, whose sum is σ = 505322202. Its totient is φ = 505322200.

The previous prime is 505322189. The next prime is 505322221. The reversal of 505322201 is 102223505.

It is an a-pointer prime, because the next prime (505322221) can be obtained adding 505322201 to its sum of digits (20).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 373416976 + 131905225 = 19324^2 + 11485^2 .

It is a cyclic number.

It is not a de Polignac number, because 505322201 - 2¹⁸ = 505060057 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (505322221) 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 as a sum of consecutive naturals, namely, 252661100 + 252661101.

It is an arithmetic number, because the mean of its divisors is an integer number (252661101).

Almost surely, 2^505322201 is an apocalyptic number.

It is an amenable number.

505322201 is a deficient number, since it is larger than the sum of its proper divisors (1).

505322201 is an equidigital number, since it uses as much as digits as its factorization.

505322201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 505322201 is about 22479.3727892929. The cubic root of 505322201 is about 796.5067483807.

Adding to 505322201 its reverse (102223505), we get a palindrome (607545706).

The spelling of 505322201 in words is "five hundred five million, three hundred twenty-two thousand, two hundred one".