345197 has 4 divisors (see below), whose sum is σ = 349440. Its totient is φ = 340956.

The previous prime is 345193. The next prime is 345221. The reversal of 345197 is 791543.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 345197 - 2² = 345193 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 (345193) 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, 1997 + ... + 2162.

It is an arithmetic number, because the mean of its divisors is an integer number (87360).

2³⁴⁵¹⁹⁷ is an apocalyptic number.

It is an amenable number.

345197 is a deficient number, since it is larger than the sum of its proper divisors (4243).

345197 is an equidigital number, since it uses as much as digits as its factorization.

345197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4242.

The product of its digits is 3780, while the sum is 29.

The square root of 345197 is about 587.5346798275. The cubic root of 345197 is about 70.1491378126.

The spelling of 345197 in words is "three hundred forty-five thousand, one hundred ninety-seven".