345300017 has 2 divisors, whose sum is σ = 345300018. Its totient is φ = 345300016.

The previous prime is 345299993. The next prime is 345300029. The reversal of 345300017 is 710003543.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 326019136 + 19280881 = 18056^2 + 4391^2 .

It is a cyclic number.

It is not a de Polignac number, because 345300017 - 2⁶ = 345299953 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 345299965 and 345300001.

It is not a weakly prime, because it can be changed into another prime (345300097) 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, 172650008 + 172650009.

It is an arithmetic number, because the mean of its divisors is an integer number (172650009).

Almost surely, 2^345300017 is an apocalyptic number.

It is an amenable number.

345300017 is a deficient number, since it is larger than the sum of its proper divisors (1).

345300017 is an equidigital number, since it uses as much as digits as its factorization.

345300017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 345300017 is about 18582.2500521331. The cubic root of 345300017 is about 701.5611531137.

The spelling of 345300017 in words is "three hundred forty-five million, three hundred thousand, seventeen".