304740053 has 4 divisors (see below), whose sum is σ = 309288480. Its totient is φ = 300191628.

The previous prime is 304740047. The next prime is 304740067. The reversal of 304740053 is 350047403.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-304740053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304740083) 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, 2274113 + ... + 2274246.

It is an arithmetic number, because the mean of its divisors is an integer number (77322120).

Almost surely, 2^304740053 is an apocalyptic number.

It is an amenable number.

304740053 is a deficient number, since it is larger than the sum of its proper divisors (4548427).

304740053 is an equidigital number, since it uses as much as digits as its factorization.

304740053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4548426.

The product of its (nonzero) digits is 5040, while the sum is 26.

The square root of 304740053 is about 17456.8053492041. The cubic root of 304740053 is about 672.9402620095.

Adding to 304740053 its reverse (350047403), we get a palindrome (654787456).

The spelling of 304740053 in words is "three hundred four million, seven hundred forty thousand, fifty-three".