272624281 has 2 divisors, whose sum is σ = 272624282. Its totient is φ = 272624280.

The previous prime is 272624263. The next prime is 272624321. The reversal of 272624281 is 182426272.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 157276681 + 115347600 = 12541^2 + 10740^2 .

It is a cyclic number.

It is not a de Polignac number, because 272624281 - 2⁷ = 272624153 is a prime.

It is a super-2 number, since 2×272624281² = 148647997181533922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (272624201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136312140 + 136312141.

It is an arithmetic number, because the mean of its divisors is an integer number (136312141).

Almost surely, 2^272624281 is an apocalyptic number.

It is an amenable number.

272624281 is a deficient number, since it is larger than the sum of its proper divisors (1).

272624281 is an equidigital number, since it uses as much as digits as its factorization.

272624281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21504, while the sum is 34.

The square root of 272624281 is about 16511.3379530552. The cubic root of 272624281 is about 648.4176746687.

The spelling of 272624281 in words is "two hundred seventy-two million, six hundred twenty-four thousand, two hundred eighty-one".