201014505 has 12 divisors (see below), whose sum is σ = 348425220. Its totient is φ = 107207712.

The previous prime is 201014497. The next prime is 201014507. The reversal of 201014505 is 505410102.

It can be written as a sum of positive squares in 2 ways, for example, as 78004224 + 123010281 = 8832^2 + 11091^2 .

It is not a de Polignac number, because 201014505 - 2³ = 201014497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201014507) 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 11 ways as a sum of consecutive naturals, for example, 2233450 + ... + 2233539.

It is an arithmetic number, because the mean of its divisors is an integer number (29035435).

Almost surely, 2^201014505 is an apocalyptic number.

It is an amenable number.

201014505 is a deficient number, since it is larger than the sum of its proper divisors (147410715).

201014505 is a wasteful number, since it uses less digits than its factorization.

201014505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4467000 (or 4466997 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 201014505 is about 14177.9584214371. The cubic root of 201014505 is about 585.7906906220.

Adding to 201014505 its reverse (505410102), we get a palindrome (706424607).

The spelling of 201014505 in words is "two hundred one million, fourteen thousand, five hundred five".