272817247 has 2 divisors, whose sum is σ = 272817248. Its totient is φ = 272817246.

The previous prime is 272817229. The next prime is 272817263. The reversal of 272817247 is 742718272.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 272817247 - 2¹¹ = 272815199 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (272817217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136408623 + 136408624.

It is an arithmetic number, because the mean of its divisors is an integer number (136408624).

Almost surely, 2^272817247 is an apocalyptic number.

272817247 is a deficient number, since it is larger than the sum of its proper divisors (1).

272817247 is an equidigital number, since it uses as much as digits as its factorization.

272817247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 87808, while the sum is 40.

The square root of 272817247 is about 16517.1803586448. The cubic root of 272817247 is about 648.5706239403.

The spelling of 272817247 in words is "two hundred seventy-two million, eight hundred seventeen thousand, two hundred forty-seven".