272885609 has 2 divisors, whose sum is σ = 272885610. Its totient is φ = 272885608.

The previous prime is 272885567. The next prime is 272885617. The reversal of 272885609 is 906588272.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 188980009 + 83905600 = 13747^2 + 9160^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-272885609 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (272885699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136442804 + 136442805.

It is an arithmetic number, because the mean of its divisors is an integer number (136442805).

Almost surely, 2^272885609 is an apocalyptic number.

It is an amenable number.

272885609 is a deficient number, since it is larger than the sum of its proper divisors (1).

272885609 is an equidigital number, since it uses as much as digits as its factorization.

272885609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 483840, while the sum is 47.

The square root of 272885609 is about 16519.2496500295. The cubic root of 272885609 is about 648.6247919260.

The spelling of 272885609 in words is "two hundred seventy-two million, eight hundred eighty-five thousand, six hundred nine".