2730529 has 2 divisors, whose sum is σ = 2730530. Its totient is φ = 2730528.

The previous prime is 2730521. The next prime is 2730569. The reversal of 2730529 is 9250372.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2024929 + 705600 = 1423^2 + 840^2 .

It is a cyclic number.

It is not a de Polignac number, because 2730529 - 2³ = 2730521 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2730497 and 2730506.

It is not a weakly prime, because it can be changed into another prime (2730521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1365264 + 1365265.

It is an arithmetic number, because the mean of its divisors is an integer number (1365265).

2^2730529 is an apocalyptic number.

It is an amenable number.

2730529 is a deficient number, since it is larger than the sum of its proper divisors (1).

2730529 is an equidigital number, since it uses as much as digits as its factorization.

2730529 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 2730529 is about 1652.4312391141. The cubic root of 2730529 is about 139.7705254334.

The spelling of 2730529 in words is "two million, seven hundred thirty thousand, five hundred twenty-nine".