345325663 has 2 divisors, whose sum is σ = 345325664. Its totient is φ = 345325662.

The previous prime is 345325661. The next prime is 345325681. The reversal of 345325663 is 366523543.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 345325663 - 2¹ = 345325661 is a prime.

Together with 345325661, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345325661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172662831 + 172662832.

It is an arithmetic number, because the mean of its divisors is an integer number (172662832).

Almost surely, 2^345325663 is an apocalyptic number.

345325663 is a deficient number, since it is larger than the sum of its proper divisors (1).

345325663 is an equidigital number, since it uses as much as digits as its factorization.

345325663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 194400, while the sum is 37.

The square root of 345325663 is about 18582.9401064525. The cubic root of 345325663 is about 701.5785213838.

The spelling of 345325663 in words is "three hundred forty-five million, three hundred twenty-five thousand, six hundred sixty-three".