305014021 has 8 divisors (see below), whose sum is σ = 328656384. Its totient is φ = 281397360.

The previous prime is 305014019. The next prime is 305014033. The reversal of 305014021 is 120410503.

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

It is a cyclic number.

It is not a de Polignac number, because 305014021 - 2¹ = 305014019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 305013986 and 305014004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305014001) 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 in 7 ways as a sum of consecutive naturals, for example, 23376 + ... + 34006.

It is an arithmetic number, because the mean of its divisors is an integer number (41082048).

Almost surely, 2^305014021 is an apocalyptic number.

It is an amenable number.

305014021 is a deficient number, since it is larger than the sum of its proper divisors (23642363).

305014021 is a wasteful number, since it uses less digits than its factorization.

305014021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12851.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 305014021 is about 17464.6506120220. The cubic root of 305014021 is about 673.1418642979.

Adding to 305014021 its reverse (120410503), we get a palindrome (425424524).

It can be divided in two parts, 3050 and 14021, that added together give a palindrome (17071).

The spelling of 305014021 in words is "three hundred five million, fourteen thousand, twenty-one".