516422201 has 4 divisors (see below), whose sum is σ = 517025652. Its totient is φ = 515818752.

The previous prime is 516422177. The next prime is 516422237. The reversal of 516422201 is 102224615.

It is a happy number.

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 476112400 + 40309801 = 21820^2 + 6349^2 .

It is a cyclic number.

It is not a de Polignac number, because 516422201 - 2¹⁴ = 516405817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (516422281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 300440 + ... + 302153.

It is an arithmetic number, because the mean of its divisors is an integer number (129256413).

Almost surely, 2^516422201 is an apocalyptic number.

It is an amenable number.

516422201 is a deficient number, since it is larger than the sum of its proper divisors (603451).

516422201 is an equidigital number, since it uses as much as digits as its factorization.

516422201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603450.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 516422201 is about 22724.9246643416. The cubic root of 516422201 is about 802.2966302403.

Adding to 516422201 its reverse (102224615), we get a palindrome (618646816).

The spelling of 516422201 in words is "five hundred sixteen million, four hundred twenty-two thousand, two hundred one".