201255149 has 2 divisors, whose sum is σ = 201255150. Its totient is φ = 201255148.

The previous prime is 201255143. The next prime is 201255199. The reversal of 201255149 is 941552102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 201129124 + 126025 = 14182^2 + 355^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201255149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201255143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100627574 + 100627575.

It is an arithmetic number, because the mean of its divisors is an integer number (100627575).

Almost surely, 2^201255149 is an apocalyptic number.

It is an amenable number.

201255149 is a deficient number, since it is larger than the sum of its proper divisors (1).

201255149 is an equidigital number, since it uses as much as digits as its factorization.

201255149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 201255149 is about 14186.4424363545. The cubic root of 201255149 is about 586.0243566777.

The spelling of 201255149 in words is "two hundred one million, two hundred fifty-five thousand, one hundred forty-nine".