345259 has 2 divisors, whose sum is σ = 345260. Its totient is φ = 345258.

The previous prime is 345229. The next prime is 345263. The reversal of 345259 is 952543.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 345259 - 2⁵ = 345227 is a prime.

It is not a weakly prime, because it can be changed into another prime (345229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172629 + 172630.

It is an arithmetic number, because the mean of its divisors is an integer number (172630).

2³⁴⁵²⁵⁹ is an apocalyptic number.

345259 is a deficient number, since it is larger than the sum of its proper divisors (1).

345259 is an equidigital number, since it uses as much as digits as its factorization.

345259 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5400, while the sum is 28.

The square root of 345259 is about 587.5874403014. The cubic root of 345259 is about 70.1533373336.

The spelling of 345259 in words is "three hundred forty-five thousand, two hundred fifty-nine".