272956009 has 2 divisors, whose sum is σ = 272956010. Its totient is φ = 272956008.

The previous prime is 272956003. The next prime is 272956039. The reversal of 272956009 is 900659272.

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., 179640409 + 93315600 = 13403^2 + 9660^2 .

It is a cyclic number.

It is not a de Polignac number, because 272956009 - 2³ = 272956001 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (272956001) 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, 136478004 + 136478005.

It is an arithmetic number, because the mean of its divisors is an integer number (136478005).

Almost surely, 2^272956009 is an apocalyptic number.

It is an amenable number.

272956009 is a deficient number, since it is larger than the sum of its proper divisors (1).

272956009 is an equidigital number, since it uses as much as digits as its factorization.

272956009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 272956009 is about 16521.3803600062. The cubic root of 272956009 is about 648.6805653070.

The spelling of 272956009 in words is "two hundred seventy-two million, nine hundred fifty-six thousand, nine".