345864263 has 2 divisors, whose sum is σ = 345864264. Its totient is φ = 345864262.

The previous prime is 345864229. The next prime is 345864289. The reversal of 345864263 is 362468543.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 345864263 - 2¹⁰ = 345863239 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 345864263.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345864203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172932131 + 172932132.

It is an arithmetic number, because the mean of its divisors is an integer number (172932132).

Almost surely, 2^345864263 is an apocalyptic number.

345864263 is a deficient number, since it is larger than the sum of its proper divisors (1).

345864263 is an equidigital number, since it uses as much as digits as its factorization.

345864263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 414720, while the sum is 41.

The square root of 345864263 is about 18597.4262466611. The cubic root of 345864263 is about 701.9430795860.

The spelling of 345864263 in words is "three hundred forty-five million, eight hundred sixty-four thousand, two hundred sixty-three".