305255053 has 2 divisors, whose sum is σ = 305255054. Its totient is φ = 305255052.

The previous prime is 305255051. The next prime is 305255063. The reversal of 305255053 is 350552503.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 270997444 + 34257609 = 16462^2 + 5853^2 .

It is a cyclic number.

It is not a de Polignac number, because 305255053 - 2¹ = 305255051 is a prime.

Together with 305255051, 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 (305255051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152627526 + 152627527.

It is an arithmetic number, because the mean of its divisors is an integer number (152627527).

Almost surely, 2^305255053 is an apocalyptic number.

It is an amenable number.

305255053 is a deficient number, since it is larger than the sum of its proper divisors (1).

305255053 is an equidigital number, since it uses as much as digits as its factorization.

305255053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11250, while the sum is 28.

The square root of 305255053 is about 17471.5498167736. The cubic root of 305255053 is about 673.3191304774.

The spelling of 305255053 in words is "three hundred five million, two hundred fifty-five thousand, fifty-three".