345648571 has 2 divisors, whose sum is σ = 345648572. Its totient is φ = 345648570.

The previous prime is 345648547. The next prime is 345648629. The reversal of 345648571 is 175846543.

It is a weak prime.

It is an emirp because it is prime and its reverse (175846543) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 345648571 - 2²³ = 337259963 is a prime.

It is not a weakly prime, because it can be changed into another prime (345648521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172824285 + 172824286.

It is an arithmetic number, because the mean of its divisors is an integer number (172824286).

Almost surely, 2^345648571 is an apocalyptic number.

345648571 is a deficient number, since it is larger than the sum of its proper divisors (1).

345648571 is an equidigital number, since it uses as much as digits as its factorization.

345648571 is an evil number, because the sum of its binary digits is even.

The product of its digits is 403200, while the sum is 43.

The square root of 345648571 is about 18591.6263678033. The cubic root of 345648571 is about 701.7971312018.

The spelling of 345648571 in words is "three hundred forty-five million, six hundred forty-eight thousand, five hundred seventy-one".