272234581 has 2 divisors, whose sum is σ = 272234582. Its totient is φ = 272234580.

The previous prime is 272234579. The next prime is 272234597. The reversal of 272234581 is 185432272.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 223024356 + 49210225 = 14934^2 + 7015^2 .

It is a cyclic number.

It is not a de Polignac number, because 272234581 - 2¹ = 272234579 is a prime.

It is a super-2 number, since 2×272234581² = 148223334184491122, which contains 22 as substring.

Together with 272234579, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (272234551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136117290 + 136117291.

It is an arithmetic number, because the mean of its divisors is an integer number (136117291).

Almost surely, 2^272234581 is an apocalyptic number.

It is an amenable number.

272234581 is a deficient number, since it is larger than the sum of its proper divisors (1).

272234581 is an equidigital number, since it uses as much as digits as its factorization.

272234581 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26880, while the sum is 34.

The square root of 272234581 is about 16499.5327509599. The cubic root of 272234581 is about 648.1085693271.

The spelling of 272234581 in words is "two hundred seventy-two million, two hundred thirty-four thousand, five hundred eighty-one".