345345071 has 2 divisors, whose sum is σ = 345345072. Its totient is φ = 345345070.

The previous prime is 345345061. The next prime is 345345149. The reversal of 345345071 is 170543543.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 345345071 - 2¹⁰ = 345344047 is a prime.

It is a super-3 number, since 3×345345071³ (a number of 27 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345345031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172672535 + 172672536.

It is an arithmetic number, because the mean of its divisors is an integer number (172672536).

Almost surely, 2^345345071 is an apocalyptic number.

345345071 is a deficient number, since it is larger than the sum of its proper divisors (1).

345345071 is an equidigital number, since it uses as much as digits as its factorization.

345345071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 345345071 is about 18583.4622985062. The cubic root of 345345071 is about 701.5916645144.

The spelling of 345345071 in words is "three hundred forty-five million, three hundred forty-five thousand, seventy-one".