345319 has 8 divisors (see below), whose sum is σ = 376992. Its totient is φ = 314400.

The previous prime is 345311. The next prime is 345329. The reversal of 345319 is 913543.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 345319 - 2³ = 345311 is a prime.

It is a super-2 number, since 2×345319² = 238490423522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 345293 and 345302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1182 + ... + 1444.

It is an arithmetic number, because the mean of its divisors is an integer number (47124).

2³⁴⁵³¹⁹ is an apocalyptic number.

345319 is a deficient number, since it is larger than the sum of its proper divisors (31673).

345319 is a wasteful number, since it uses less digits than its factorization.

345319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377.

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

The square root of 345319 is about 587.6384943143. The cubic root of 345319 is about 70.1574009075.

The spelling of 345319 in words is "three hundred forty-five thousand, three hundred nineteen".