305340163 has 8 divisors (see below), whose sum is σ = 310820400. Its totient is φ = 299870208.

The previous prime is 305340143. The next prime is 305340193. The reversal of 305340163 is 361043503.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-305340163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (305340143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81295 + ... + 84967.

It is an arithmetic number, because the mean of its divisors is an integer number (38852550).

Almost surely, 2^305340163 is an apocalyptic number.

305340163 is a deficient number, since it is larger than the sum of its proper divisors (5480237).

305340163 is a wasteful number, since it uses less digits than its factorization.

305340163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5141.

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 305340163 is about 17473.9853210422. The cubic root of 305340163 is about 673.3817020499.

Adding to 305340163 its reverse (361043503), we get a palindrome (666383666).

It can be divided in two parts, 305340 and 163, that added together give a palindrome (305503).

The spelling of 305340163 in words is "three hundred five million, three hundred forty thousand, one hundred sixty-three".