201430017 has 16 divisors (see below), whose sum is σ = 305356480. Its totient is φ = 131162976.

The previous prime is 201429997. The next prime is 201430037. The reversal of 201430017 is 710034102.

It is an interprime number because it is at equal distance from previous prime (201429997) and next prime (201430037).

It is not a de Polignac number, because 201430017 - 2¹⁰ = 201428993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201430037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85588 + ... + 87909.

It is an arithmetic number, because the mean of its divisors is an integer number (19084780).

Almost surely, 2^201430017 is an apocalyptic number.

201430017 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

201430017 is a deficient number, since it is larger than the sum of its proper divisors (103926463).

201430017 is a wasteful number, since it uses less digits than its factorization.

201430017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173549 (or 173543 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 201430017 is about 14192.6043064689. The cubic root of 201430017 is about 586.1940372080.

Adding to 201430017 its reverse (710034102), we get a palindrome (911464119).

The spelling of 201430017 in words is "two hundred one million, four hundred thirty thousand, seventeen".