272907913 has 2 divisors, whose sum is σ = 272907914. Its totient is φ = 272907912.

The previous prime is 272907889. The next prime is 272907917. The reversal of 272907913 is 319709272.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 232623504 + 40284409 = 15252^2 + 6347^2 .

It is a cyclic number.

It is not a de Polignac number, because 272907913 - 2⁵ = 272907881 is a prime.

It is not a weakly prime, because it can be changed into another prime (272907917) 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, 136453956 + 136453957.

It is an arithmetic number, because the mean of its divisors is an integer number (136453957).

Almost surely, 2^272907913 is an apocalyptic number.

It is an amenable number.

272907913 is a deficient number, since it is larger than the sum of its proper divisors (1).

272907913 is an equidigital number, since it uses as much as digits as its factorization.

272907913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47628, while the sum is 40.

The square root of 272907913 is about 16519.9247274314. The cubic root of 272907913 is about 648.6424629851.

The spelling of 272907913 in words is "two hundred seventy-two million, nine hundred seven thousand, nine hundred thirteen".