272917 has 2 divisors, whose sum is σ = 272918. Its totient is φ = 272916.

The previous prime is 272911. The next prime is 272927. The reversal of 272917 is 719272.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 221841 + 51076 = 471^2 + 226^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-272917 is a prime.

It is an Ulam number.

272917 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (272911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136458 + 136459.

It is an arithmetic number, because the mean of its divisors is an integer number (136459).

2²⁷²⁹¹⁷ is an apocalyptic number.

It is an amenable number.

272917 is a deficient number, since it is larger than the sum of its proper divisors (1).

272917 is an equidigital number, since it uses as much as digits as its factorization.

272917 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1764, while the sum is 28.

The square root of 272917 is about 522.4145863201. The cubic root of 272917 is about 64.8649662176.

The spelling of 272917 in words is "two hundred seventy-two thousand, nine hundred seventeen".