308552113 has 2 divisors, whose sum is σ = 308552114. Its totient is φ = 308552112.

The previous prime is 308552063. The next prime is 308552129. The reversal of 308552113 is 311255803.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 231252849 + 77299264 = 15207^2 + 8792^2 .

It is a cyclic number.

It is not a de Polignac number, because 308552113 - 2²¹ = 306454961 is a prime.

It is not a weakly prime, because it can be changed into another prime (308552143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 154276056 + 154276057.

It is an arithmetic number, because the mean of its divisors is an integer number (154276057).

Almost surely, 2^308552113 is an apocalyptic number.

It is an amenable number.

308552113 is a deficient number, since it is larger than the sum of its proper divisors (1).

308552113 is an equidigital number, since it uses as much as digits as its factorization.

308552113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 308552113 is about 17565.6515108322. The cubic root of 308552113 is about 675.7346280785.

The spelling of 308552113 in words is "three hundred eight million, five hundred fifty-two thousand, one hundred thirteen".