345203093 has 2 divisors, whose sum is σ = 345203094. Its totient is φ = 345203092.

The previous prime is 345203083. The next prime is 345203141. The reversal of 345203093 is 390302543.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 345142084 + 61009 = 18578^2 + 247^2 .

It is an emirp because it is prime and its reverse (390302543) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 345203093 - 2¹⁰ = 345202069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345203083) 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, 172601546 + 172601547.

It is an arithmetic number, because the mean of its divisors is an integer number (172601547).

Almost surely, 2^345203093 is an apocalyptic number.

It is an amenable number.

345203093 is a deficient number, since it is larger than the sum of its proper divisors (1).

345203093 is an equidigital number, since it uses as much as digits as its factorization.

345203093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 29.

The square root of 345203093 is about 18579.6418964414. The cubic root of 345203093 is about 701.4955053938.

The spelling of 345203093 in words is "three hundred forty-five million, two hundred three thousand, ninety-three".