272836481 has 2 divisors, whose sum is σ = 272836482. Its totient is φ = 272836480.

The previous prime is 272836471. The next prime is 272836507. The reversal of 272836481 is 184638272.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 195748081 + 77088400 = 13991^2 + 8780^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-272836481 is a prime.

It is a super-2 number, since 2×272836481² = 148879490728926722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (272836441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136418240 + 136418241.

It is an arithmetic number, because the mean of its divisors is an integer number (136418241).

Almost surely, 2^272836481 is an apocalyptic number.

It is an amenable number.

272836481 is a deficient number, since it is larger than the sum of its proper divisors (1).

272836481 is an equidigital number, since it uses as much as digits as its factorization.

272836481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129024, while the sum is 41.

The square root of 272836481 is about 16517.7625906174. The cubic root of 272836481 is about 648.5858652962.

The spelling of 272836481 in words is "two hundred seventy-two million, eight hundred thirty-six thousand, four hundred eighty-one".