2730241 has 2 divisors, whose sum is σ = 2730242. Its totient is φ = 2730240.

The previous prime is 2730239. The next prime is 2730257. The reversal of 2730241 is 1420372.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1679616 + 1050625 = 1296^2 + 1025^2 .

It is a cyclic number.

It is not a de Polignac number, because 2730241 - 2¹ = 2730239 is a prime.

Together with 2730239, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2730271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1365120 + 1365121.

It is an arithmetic number, because the mean of its divisors is an integer number (1365121).

2^2730241 is an apocalyptic number.

It is an amenable number.

2730241 is a deficient number, since it is larger than the sum of its proper divisors (1).

2730241 is an equidigital number, since it uses as much as digits as its factorization.

2730241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 2730241 is about 1652.3440924941. The cubic root of 2730241 is about 139.7656112053.

The spelling of 2730241 in words is "two million, seven hundred thirty thousand, two hundred forty-one".