305424053 has 4 divisors (see below), whose sum is σ = 333189888. Its totient is φ = 277658220.

The previous prime is 305424029. The next prime is 305424083. The reversal of 305424053 is 350424503.

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 not a de Polignac number, because 305424053 - 2¹² = 305419957 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305424013) 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, 13882901 + ... + 13882922.

It is an arithmetic number, because the mean of its divisors is an integer number (83297472).

Almost surely, 2^305424053 is an apocalyptic number.

It is an amenable number.

305424053 is a deficient number, since it is larger than the sum of its proper divisors (27765835).

305424053 is a wasteful number, since it uses less digits than its factorization.

305424053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27765834.

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 305424053 is about 17476.3855816928. The cubic root of 305424053 is about 673.4433653195.

Adding to 305424053 its reverse (350424503), we get a palindrome (655848556).

The spelling of 305424053 in words is "three hundred five million, four hundred twenty-four thousand, fifty-three".