304013473 has 4 divisors (see below), whose sum is σ = 304071300. Its totient is φ = 303955648.

The previous prime is 304013453. The next prime is 304013477. The reversal of 304013473 is 374310403.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 374310403 = 17 ⋅22018259.

It can be written as a sum of positive squares in 2 ways, for example, as 170772624 + 133240849 = 13068^2 + 11543^2 .

It is a cyclic number.

It is not a de Polignac number, because 304013473 - 2⁵ = 304013441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (304013477) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20140 + ... + 31837.

It is an arithmetic number, because the mean of its divisors is an integer number (76017825).

Almost surely, 2^304013473 is an apocalyptic number.

It is an amenable number.

304013473 is a deficient number, since it is larger than the sum of its proper divisors (57827).

304013473 is an equidigital number, since it uses as much as digits as its factorization.

304013473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57826.

The product of its (nonzero) digits is 3024, while the sum is 25.

The square root of 304013473 is about 17435.9821346548. The cubic root of 304013473 is about 672.4050145233.

Adding to 304013473 its reverse (374310403), we get a palindrome (678323876).

The spelling of 304013473 in words is "three hundred four million, thirteen thousand, four hundred seventy-three".