305300005253 has 4 divisors (see below), whose sum is σ = 305302387488. Its totient is φ = 305297623020.

The previous prime is 305300005243. The next prime is 305300005261. The reversal of 305300005253 is 352500003503.

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 305300005253 - 2²² = 305295810949 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 (305300005243) 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, 987251 + ... + 1259072.

It is an arithmetic number, because the mean of its divisors is an integer number (76325596872).

Almost surely, 2^305300005253 is an apocalyptic number.

It is an amenable number.

305300005253 is a deficient number, since it is larger than the sum of its proper divisors (2382235).

305300005253 is a wasteful number, since it uses less digits than its factorization.

305300005253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2382234.

The product of its (nonzero) digits is 6750, while the sum is 26.

Adding to 305300005253 its reverse (352500003503), we get a palindrome (657800008756).

The spelling of 305300005253 in words is "three hundred five billion, three hundred million, five thousand, two hundred fifty-three".