345255529 has 2 divisors, whose sum is σ = 345255530. Its totient is φ = 345255528.

The previous prime is 345255523. The next prime is 345255539. The reversal of 345255529 is 925552543.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 227315929 + 117939600 = 15077^2 + 10860^2 .

It is an emirp because it is prime and its reverse (925552543) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 345255529 - 2⁵ = 345255497 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 345255491 and 345255500.

It is not a weakly prime, because it can be changed into another prime (345255523) 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, 172627764 + 172627765.

It is an arithmetic number, because the mean of its divisors is an integer number (172627765).

Almost surely, 2^345255529 is an apocalyptic number.

It is an amenable number.

345255529 is a deficient number, since it is larger than the sum of its proper divisors (1).

345255529 is an equidigital number, since it uses as much as digits as its factorization.

345255529 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 270000, while the sum is 40.

The square root of 345255529 is about 18581.0529572465. The cubic root of 345255529 is about 701.5310224143.

The spelling of 345255529 in words is "three hundred forty-five million, two hundred fifty-five thousand, five hundred twenty-nine".