345463 has 2 divisors, whose sum is σ = 345464. Its totient is φ = 345462.

The previous prime is 345461. The next prime is 345473. The reversal of 345463 is 364543.

It is a weak prime.

It is an emirp because it is prime and its reverse (364543) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 345463 - 2¹ = 345461 is a prime.

Together with 345461, it forms a pair of twin primes.

345463 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172731 + 172732.

It is an arithmetic number, because the mean of its divisors is an integer number (172732).

2³⁴⁵⁴⁶³ is an apocalyptic number.

345463 is a deficient number, since it is larger than the sum of its proper divisors (1).

345463 is an equidigital number, since it uses as much as digits as its factorization.

345463 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 25.

The square root of 345463 is about 587.7610058519. The cubic root of 345463 is about 70.1671515649.

Subtracting from 345463 its product of digits (4320), we obtain a palindrome (341143).

It can be divided in two parts, 345 and 463, that added together give a palindrome (808).

The spelling of 345463 in words is "three hundred forty-five thousand, four hundred sixty-three".