345511193 has 2 divisors, whose sum is σ = 345511194. Its totient is φ = 345511192.

The previous prime is 345511157. The next prime is 345511207. The reversal of 345511193 is 391115543.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 280998169 + 64513024 = 16763^2 + 8032^2 .

It is a cyclic number.

It is not a de Polignac number, because 345511193 - 2¹⁶ = 345445657 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (345511393) 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, 172755596 + 172755597.

It is an arithmetic number, because the mean of its divisors is an integer number (172755597).

Almost surely, 2^345511193 is an apocalyptic number.

It is an amenable number.

345511193 is a deficient number, since it is larger than the sum of its proper divisors (1).

345511193 is an equidigital number, since it uses as much as digits as its factorization.

345511193 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8100, while the sum is 32.

The square root of 345511193 is about 18587.9313803339. The cubic root of 345511193 is about 701.7041424746.

The spelling of 345511193 in words is "three hundred forty-five million, five hundred eleven thousand, one hundred ninety-three".