304545401 has 4 divisors (see below), whose sum is σ = 307560804. Its totient is φ = 301530000.

The previous prime is 304545379. The next prime is 304545413. The reversal of 304545401 is 104545403.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 272283001 + 32262400 = 16501^2 + 5680^2 .

It is a cyclic number.

It is not a de Polignac number, because 304545401 - 2⁶ = 304545337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (304545431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1507550 + ... + 1507751.

It is an arithmetic number, because the mean of its divisors is an integer number (76890201).

Almost surely, 2^304545401 is an apocalyptic number.

It is an amenable number.

304545401 is a deficient number, since it is larger than the sum of its proper divisors (3015403).

304545401 is a wasteful number, since it uses less digits than its factorization.

304545401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3015402.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 304545401 is about 17451.2292117203. The cubic root of 304545401 is about 672.7969518165.

The spelling of 304545401 in words is "three hundred four million, five hundred forty-five thousand, four hundred one".