345913 has 4 divisors (see below), whose sum is σ = 355300. Its totient is φ = 336528.

The previous prime is 345907. The next prime is 345923. The reversal of 345913 is 319543.

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 304704 + 41209 = 552^2 + 203^2 .

It is a cyclic number.

It is not a de Polignac number, because 345913 - 2⁵ = 345881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345923) 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, 4638 + ... + 4711.

It is an arithmetic number, because the mean of its divisors is an integer number (88825).

2³⁴⁵⁹¹³ is an apocalyptic number.

It is an amenable number.

345913 is a deficient number, since it is larger than the sum of its proper divisors (9387).

345913 is an equidigital number, since it uses as much as digits as its factorization.

345913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9386.

The product of its digits is 1620, while the sum is 25.

The square root of 345913 is about 588.1436899262. The cubic root of 345913 is about 70.1976049161.

The spelling of 345913 in words is "three hundred forty-five thousand, nine hundred thirteen".