272238433 has 2 divisors, whose sum is σ = 272238434. Its totient is φ = 272238432.

The previous prime is 272238427. The next prime is 272238467. The reversal of 272238433 is 334832272.

It is an a-pointer prime, because the next prime (272238467) can be obtained adding 272238433 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 267878689 + 4359744 = 16367^2 + 2088^2 .

It is a cyclic number.

It is not a de Polignac number, because 272238433 - 2¹³ = 272230241 is a prime.

It is a super-2 number, since 2×272238433² = 148227528804590978, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (272233433) 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, 136119216 + 136119217.

It is an arithmetic number, because the mean of its divisors is an integer number (136119217).

Almost surely, 2^272238433 is an apocalyptic number.

It is an amenable number.

272238433 is a deficient number, since it is larger than the sum of its proper divisors (1).

272238433 is an equidigital number, since it uses as much as digits as its factorization.

272238433 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 34.

The square root of 272238433 is about 16499.6494811253. The cubic root of 272238433 is about 648.1116261301. Note that the first 3 decimals are identical.

The spelling of 272238433 in words is "two hundred seventy-two million, two hundred thirty-eight thousand, four hundred thirty-three".