345635 has 4 divisors (see below), whose sum is σ = 414768. Its totient is φ = 276504.

The previous prime is 345607. The next prime is 345637. The reversal of 345635 is 536543.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 536543 = 7 ⋅76649.

It is a cyclic number.

It is not a de Polignac number, because 345635 - 2⁶ = 345571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345637) 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, 34559 + ... + 34568.

It is an arithmetic number, because the mean of its divisors is an integer number (103692).

2³⁴⁵⁶³⁵ is an apocalyptic number.

345635 is a deficient number, since it is larger than the sum of its proper divisors (69133).

345635 is an equidigital number, since it uses as much as digits as its factorization.

345635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69132.

The product of its digits is 5400, while the sum is 26.

The square root of 345635 is about 587.9073056188. The cubic root of 345635 is about 70.1787946330.

The spelling of 345635 in words is "three hundred forty-five thousand, six hundred thirty-five".