272056391 has 2 divisors, whose sum is σ = 272056392. Its totient is φ = 272056390.

The previous prime is 272056387. The next prime is 272056429. The reversal of 272056391 is 193650272.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 272056391 - 2² = 272056387 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (272056331) 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, 136028195 + 136028196.

It is an arithmetic number, because the mean of its divisors is an integer number (136028196).

Almost surely, 2^272056391 is an apocalyptic number.

272056391 is a deficient number, since it is larger than the sum of its proper divisors (1).

272056391 is an equidigital number, since it uses as much as digits as its factorization.

272056391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 272056391 is about 16494.1320171751. The cubic root of 272056391 is about 647.9671328844.

The spelling of 272056391 in words is "two hundred seventy-two million, fifty-six thousand, three hundred ninety-one".