201771255 has 16 divisors (see below), whose sum is σ = 368953344. Its totient is φ = 92238240.

The previous prime is 201771247. The next prime is 201771259. The reversal of 201771255 is 552177102.

201771255 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 201771255 - 2³ = 201771247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201771259) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 960711 + ... + 960920.

It is an arithmetic number, because the mean of its divisors is an integer number (23059584).

Almost surely, 2^201771255 is an apocalyptic number.

201771255 is a deficient number, since it is larger than the sum of its proper divisors (167182089).

201771255 is a wasteful number, since it uses less digits than its factorization.

201771255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1921646.

The product of its (nonzero) digits is 4900, while the sum is 30.

The square root of 201771255 is about 14204.6209030724. The cubic root of 201771255 is about 586.5248697781.

The spelling of 201771255 in words is "two hundred one million, seven hundred seventy-one thousand, two hundred fifty-five".