345265847 has 2 divisors, whose sum is σ = 345265848. Its totient is φ = 345265846.

The previous prime is 345265813. The next prime is 345265859. The reversal of 345265847 is 748562543.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 345265847 - 2²⁰ = 344217271 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 345265798 and 345265807.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345265867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172632923 + 172632924.

It is an arithmetic number, because the mean of its divisors is an integer number (172632924).

Almost surely, 2^345265847 is an apocalyptic number.

345265847 is a deficient number, since it is larger than the sum of its proper divisors (1).

345265847 is an equidigital number, since it uses as much as digits as its factorization.

345265847 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 806400, while the sum is 44.

The square root of 345265847 is about 18581.3306035924. The cubic root of 345265847 is about 701.5380107890.

The spelling of 345265847 in words is "three hundred forty-five million, two hundred sixty-five thousand, eight hundred forty-seven".