345583 has 4 divisors (see below), whose sum is σ = 394960. Its totient is φ = 296208.

The previous prime is 345581. The next prime is 345599. The reversal of 345583 is 385543.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 385543 = 17 ⋅22679.

It is a cyclic number.

It is not a de Polignac number, because 345583 - 2¹ = 345581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345581) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24678 + ... + 24691.

It is an arithmetic number, because the mean of its divisors is an integer number (98740).

2³⁴⁵⁵⁸³ is an apocalyptic number.

345583 is a deficient number, since it is larger than the sum of its proper divisors (49377).

345583 is an equidigital number, since it uses as much as digits as its factorization.

345583 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49376.

The product of its digits is 7200, while the sum is 28.

The square root of 345583 is about 587.8630792965. The cubic root of 345583 is about 70.1752750431.

The spelling of 345583 in words is "three hundred forty-five thousand, five hundred eighty-three".