345473 has 2 divisors, whose sum is σ = 345474. Its totient is φ = 345472.

The previous prime is 345463. The next prime is 345479. The reversal of 345473 is 374543.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 332929 + 12544 = 577^2 + 112^2 .

It is a cyclic number.

It is not a de Polignac number, because 345473 - 2¹⁴ = 329089 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 345473.

It is not a weakly prime, because it can be changed into another prime (345479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172736 + 172737.

It is an arithmetic number, because the mean of its divisors is an integer number (172737).

2³⁴⁵⁴⁷³ is an apocalyptic number.

It is an amenable number.

345473 is a deficient number, since it is larger than the sum of its proper divisors (1).

345473 is an equidigital number, since it uses as much as digits as its factorization.

345473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5040, while the sum is 26.

The square root of 345473 is about 587.7695126493. The cubic root of 345473 is about 70.1678285933.

It can be divided in two parts, 345 and 473, that added together give a palindrome (818).

The spelling of 345473 in words is "three hundred forty-five thousand, four hundred seventy-three".