272891551 has 2 divisors, whose sum is σ = 272891552. Its totient is φ = 272891550.

The previous prime is 272891519. The next prime is 272891581. The reversal of 272891551 is 155198272.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 272891551 - 2⁵ = 272891519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (272891501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136445775 + 136445776.

It is an arithmetic number, because the mean of its divisors is an integer number (136445776).

Almost surely, 2^272891551 is an apocalyptic number.

272891551 is a deficient number, since it is larger than the sum of its proper divisors (1).

272891551 is an equidigital number, since it uses as much as digits as its factorization.

272891551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 50400, while the sum is 40.

The square root of 272891551 is about 16519.4294998344. The cubic root of 272891551 is about 648.6294997601.

The spelling of 272891551 in words is "two hundred seventy-two million, eight hundred ninety-one thousand, five hundred fifty-one".