272105903 has 2 divisors, whose sum is σ = 272105904. Its totient is φ = 272105902.

The previous prime is 272105887. The next prime is 272105929. The reversal of 272105903 is 309501272.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 272105903 - 2⁴ = 272105887 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (272105993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136052951 + 136052952.

It is an arithmetic number, because the mean of its divisors is an integer number (136052952).

Almost surely, 2^272105903 is an apocalyptic number.

272105903 is a deficient number, since it is larger than the sum of its proper divisors (1).

272105903 is an equidigital number, since it uses as much as digits as its factorization.

272105903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 272105903 is about 16495.6328463021. The cubic root of 272105903 is about 648.0064387093.

The spelling of 272105903 in words is "two hundred seventy-two million, one hundred five thousand, nine hundred three".