304052133 has 32 divisors (see below), whose sum is σ = 506373120. Its totient is φ = 157656960.

The previous prime is 304052129. The next prime is 304052141. The reversal of 304052133 is 331250403.

It is not a de Polignac number, because 304052133 - 2² = 304052129 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304052173) 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 31 ways as a sum of consecutive naturals, for example, 186066 + ... + 187692.

It is an arithmetic number, because the mean of its divisors is an integer number (15824160).

Almost surely, 2^304052133 is an apocalyptic number.

304052133 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

304052133 is a deficient number, since it is larger than the sum of its proper divisors (202320987).

304052133 is a wasteful number, since it uses less digits than its factorization.

304052133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2457.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 304052133 is about 17437.0907263798. The cubic root of 304052133 is about 672.4335155365.

The spelling of 304052133 in words is "three hundred four million, fifty-two thousand, one hundred thirty-three".