345510173 has 2 divisors, whose sum is σ = 345510174. Its totient is φ = 345510172.

The previous prime is 345510149. The next prime is 345510229. The reversal of 345510173 is 371015543.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 342879289 + 2630884 = 18517^2 + 1622^2 .

It is an emirp because it is prime and its reverse (371015543) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 345510173 - 2¹⁴ = 345493789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345510673) 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, 172755086 + 172755087.

It is an arithmetic number, because the mean of its divisors is an integer number (172755087).

Almost surely, 2^345510173 is an apocalyptic number.

It is an amenable number.

345510173 is a deficient number, since it is larger than the sum of its proper divisors (1).

345510173 is an equidigital number, since it uses as much as digits as its factorization.

345510173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 345510173 is about 18587.9039431562. The cubic root of 345510173 is about 701.7034519626.

The spelling of 345510173 in words is "three hundred forty-five million, five hundred ten thousand, one hundred seventy-three".