201117275 has 6 divisors (see below), whose sum is σ = 249385452. Its totient is φ = 160893800.

The previous prime is 201117269. The next prime is 201117281. The reversal of 201117275 is 572711102.

It is an interprime number because it is at equal distance from previous prime (201117269) and next prime (201117281).

It is not a de Polignac number, because 201117275 - 2⁸ = 201117019 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 4022321 + ... + 4022370.

It is an arithmetic number, because the mean of its divisors is an integer number (41564242).

Almost surely, 2^201117275 is an apocalyptic number.

201117275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

201117275 is a deficient number, since it is larger than the sum of its proper divisors (48268177).

201117275 is an equidigital number, since it uses as much as digits as its factorization.

201117275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8044701 (or 8044696 counting only the distinct ones).

The product of its (nonzero) digits is 980, while the sum is 26.

The square root of 201117275 is about 14181.5822459978. The cubic root of 201117275 is about 585.8905034069.

Adding to 201117275 its reverse (572711102), we get a palindrome (773828377).

The spelling of 201117275 in words is "two hundred one million, one hundred seventeen thousand, two hundred seventy-five".