345011047 has 2 divisors, whose sum is σ = 345011048. Its totient is φ = 345011046.

The previous prime is 345011041. The next prime is 345011083. The reversal of 345011047 is 740110543.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-345011047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345011041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172505523 + 172505524.

It is an arithmetic number, because the mean of its divisors is an integer number (172505524).

Almost surely, 2^345011047 is an apocalyptic number.

345011047 is a deficient number, since it is larger than the sum of its proper divisors (1).

345011047 is an equidigital number, since it uses as much as digits as its factorization.

345011047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 345011047 is about 18574.4729938698. The cubic root of 345011047 is about 701.3653941646.

The spelling of 345011047 in words is "three hundred forty-five million, eleven thousand, forty-seven".