305532113 has 2 divisors, whose sum is σ = 305532114. Its totient is φ = 305532112.

The previous prime is 305532079. The next prime is 305532151. The reversal of 305532113 is 311235503.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 225840784 + 79691329 = 15028^2 + 8927^2 .

It is a cyclic number.

It is not a de Polignac number, because 305532113 - 2¹² = 305528017 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (305532193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152766056 + 152766057.

It is an arithmetic number, because the mean of its divisors is an integer number (152766057).

Almost surely, 2^305532113 is an apocalyptic number.

It is an amenable number.

305532113 is a deficient number, since it is larger than the sum of its proper divisors (1).

305532113 is an equidigital number, since it uses as much as digits as its factorization.

305532113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1350, while the sum is 23.

The square root of 305532113 is about 17479.4769086492. The cubic root of 305532113 is about 673.5227780886.

Adding to 305532113 its reverse (311235503), we get a palindrome (616767616).

The spelling of 305532113 in words is "three hundred five million, five hundred thirty-two thousand, one hundred thirteen".