345293 has 4 divisors (see below), whose sum is σ = 371868. Its totient is φ = 318720.

The previous prime is 345271. The next prime is 345307. The reversal of 345293 is 392543.

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 174724 + 170569 = 418^2 + 413^2 .

It is a cyclic number.

It is not a de Polignac number, because 345293 - 2⁶ = 345229 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 (345263) 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, 13268 + ... + 13293.

It is an arithmetic number, because the mean of its divisors is an integer number (92967).

2³⁴⁵²⁹³ is an apocalyptic number.

It is an amenable number.

345293 is a deficient number, since it is larger than the sum of its proper divisors (26575).

345293 is a wasteful number, since it uses less digits than its factorization.

345293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26574.

The product of its digits is 3240, while the sum is 26.

The square root of 345293 is about 587.6163714533. The cubic root of 345293 is about 70.1556400833.

The spelling of 345293 in words is "three hundred forty-five thousand, two hundred ninety-three".