201141517 has 2 divisors, whose sum is σ = 201141518. Its totient is φ = 201141516.

The previous prime is 201141503. The next prime is 201141539. The reversal of 201141517 is 715141102.

It is an a-pointer prime, because the next prime (201141539) can be obtained adding 201141517 to its sum of digits (22).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 186349801 + 14791716 = 13651^2 + 3846^2 .

It is a cyclic number.

It is not a de Polignac number, because 201141517 - 2⁷ = 201141389 is a prime.

It is a super-2 number, since 2×201141517² = 80915819722122578, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201141817) 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, 100570758 + 100570759.

It is an arithmetic number, because the mean of its divisors is an integer number (100570759).

Almost surely, 2^201141517 is an apocalyptic number.

It is an amenable number.

201141517 is a deficient number, since it is larger than the sum of its proper divisors (1).

201141517 is an equidigital number, since it uses as much as digits as its factorization.

201141517 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 280, while the sum is 22.

The square root of 201141517 is about 14182.4369203603. The cubic root of 201141517 is about 585.9140428848.

Adding to 201141517 its reverse (715141102), we get a palindrome (916282619).

The spelling of 201141517 in words is "two hundred one million, one hundred forty-one thousand, five hundred seventeen".