272166497 has 2 divisors, whose sum is σ = 272166498. Its totient is φ = 272166496.

The previous prime is 272166467. The next prime is 272166509. The reversal of 272166497 is 794661272.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 270799936 + 1366561 = 16456^2 + 1169^2 .

It is a cyclic number.

It is not a de Polignac number, because 272166497 - 2¹⁰ = 272165473 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (272166437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136083248 + 136083249.

It is an arithmetic number, because the mean of its divisors is an integer number (136083249).

Almost surely, 2^272166497 is an apocalyptic number.

It is an amenable number.

272166497 is a deficient number, since it is larger than the sum of its proper divisors (1).

272166497 is an equidigital number, since it uses as much as digits as its factorization.

272166497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 254016, while the sum is 44.

The square root of 272166497 is about 16497.4694120038. The cubic root of 272166497 is about 648.0545356543.

The spelling of 272166497 in words is "two hundred seventy-two million, one hundred sixty-six thousand, four hundred ninety-seven".