345497 has 4 divisors (see below), whose sum is σ = 352896. Its totient is φ = 338100.

The previous prime is 345487. The next prime is 345511. The reversal of 345497 is 794543.

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 a de Polignac number, because none of the positive numbers 2^k-345497 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345487) 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, 3629 + ... + 3722.

It is an arithmetic number, because the mean of its divisors is an integer number (88224).

2³⁴⁵⁴⁹⁷ is an apocalyptic number.

It is an amenable number.

345497 is a deficient number, since it is larger than the sum of its proper divisors (7399).

345497 is an equidigital number, since it uses as much as digits as its factorization.

345497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7398.

The product of its digits is 15120, while the sum is 32.

The square root of 345497 is about 587.7899284608. The cubic root of 345497 is about 70.1694534080.

The spelling of 345497 in words is "three hundred forty-five thousand, four hundred ninety-seven".