345206585 has 4 divisors (see below), whose sum is σ = 414247908. Its totient is φ = 276165264.

The previous prime is 345206569. The next prime is 345206591. The reversal of 345206585 is 585602543.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 148449856 + 196756729 = 12184^2 + 14027^2 .

It is a cyclic number.

It is not a de Polignac number, because 345206585 - 2⁴ = 345206569 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34520654 + ... + 34520663.

It is an arithmetic number, because the mean of its divisors is an integer number (103561977).

Almost surely, 2^345206585 is an apocalyptic number.

It is an amenable number.

345206585 is a deficient number, since it is larger than the sum of its proper divisors (69041323).

345206585 is an equidigital number, since it uses as much as digits as its factorization.

345206585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69041322.

The product of its (nonzero) digits is 144000, while the sum is 38.

The square root of 345206585 is about 18579.7358700279. The cubic root of 345206585 is about 701.4978707782.

The spelling of 345206585 in words is "three hundred forty-five million, two hundred six thousand, five hundred eighty-five".