304242403 has 2 divisors, whose sum is σ = 304242404. Its totient is φ = 304242402.

The previous prime is 304242397. The next prime is 304242431.

304242403 is nontrivially palindromic in base 10.

It is a weak prime.

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 304242403 - 2¹³ = 304234211 is a prime.

It is not a weakly prime, because it can be changed into another prime (304242493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152121201 + 152121202.

It is an arithmetic number, because the mean of its divisors is an integer number (152121202).

Almost surely, 2^304242403 is an apocalyptic number.

304242403 is a deficient number, since it is larger than the sum of its proper divisors (1).

304242403 is an equidigital number, since it uses as much as digits as its factorization.

304242403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 304242403 is about 17442.5457717616. The cubic root of 304242403 is about 672.5737516255.

The spelling of 304242403 in words is "three hundred four million, two hundred forty-two thousand, four hundred three".