201265279 has 2 divisors, whose sum is σ = 201265280. Its totient is φ = 201265278.

The previous prime is 201265213. The next prime is 201265283. The reversal of 201265279 is 972562102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201265279 - 2¹³ = 201257087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201269279) 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 as a sum of consecutive naturals, namely, 100632639 + 100632640.

It is an arithmetic number, because the mean of its divisors is an integer number (100632640).

Almost surely, 2^201265279 is an apocalyptic number.

201265279 is a deficient number, since it is larger than the sum of its proper divisors (1).

201265279 is an equidigital number, since it uses as much as digits as its factorization.

201265279 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 201265279 is about 14186.7994628810. The cubic root of 201265279 is about 586.0341888520.

The spelling of 201265279 in words is "two hundred one million, two hundred sixty-five thousand, two hundred seventy-nine".