201050117 has 2 divisors, whose sum is σ = 201050118. Its totient is φ = 201050116.

The previous prime is 201050099. The next prime is 201050137. The reversal of 201050117 is 711050102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 198274561 + 2775556 = 14081^2 + 1666^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201050117 is a prime.

It is a super-2 number, since 2×201050117² = 80842299091427378, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 201050095 and 201050104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201050137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100525058 + 100525059.

It is an arithmetic number, because the mean of its divisors is an integer number (100525059).

Almost surely, 2^201050117 is an apocalyptic number.

It is an amenable number.

201050117 is a deficient number, since it is larger than the sum of its proper divisors (1).

201050117 is an equidigital number, since it uses as much as digits as its factorization.

201050117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 70, while the sum is 17.

The square root of 201050117 is about 14179.2142589073. The cubic root of 201050117 is about 585.8252817348.

The spelling of 201050117 in words is "two hundred one million, fifty thousand, one hundred seventeen".