272639291 has 2 divisors, whose sum is σ = 272639292. Its totient is φ = 272639290.

The previous prime is 272639287. The next prime is 272639329. The reversal of 272639291 is 192936272.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 272639291 - 2² = 272639287 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (272639201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136319645 + 136319646.

It is an arithmetic number, because the mean of its divisors is an integer number (136319646).

Almost surely, 2^272639291 is an apocalyptic number.

272639291 is a deficient number, since it is larger than the sum of its proper divisors (1).

272639291 is an equidigital number, since it uses as much as digits as its factorization.

272639291 is an evil number, because the sum of its binary digits is even.

The product of its digits is 81648, while the sum is 41.

The square root of 272639291 is about 16511.7924829499. The cubic root of 272639291 is about 648.4295745266.

The spelling of 272639291 in words is "two hundred seventy-two million, six hundred thirty-nine thousand, two hundred ninety-one".