305067473 has 2 divisors, whose sum is σ = 305067474. Its totient is φ = 305067472.

The previous prime is 305067467. The next prime is 305067493. The reversal of 305067473 is 374760503.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 173001409 + 132066064 = 13153^2 + 11492^2 .

It is a cyclic number.

It is not a de Polignac number, because 305067473 - 2⁶ = 305067409 is a prime.

It is not a weakly prime, because it can be changed into another prime (305067463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152533736 + 152533737.

It is an arithmetic number, because the mean of its divisors is an integer number (152533737).

Almost surely, 2^305067473 is an apocalyptic number.

It is an amenable number.

305067473 is a deficient number, since it is larger than the sum of its proper divisors (1).

305067473 is an equidigital number, since it uses as much as digits as its factorization.

305067473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52920, while the sum is 35.

The square root of 305067473 is about 17466.1808361187. The cubic root of 305067473 is about 673.1811834492.

The spelling of 305067473 in words is "three hundred five million, sixty-seven thousand, four hundred seventy-three".