305225650507 has 4 divisors (see below), whose sum is σ = 305371067400. Its totient is φ = 305080233616.

The previous prime is 305225650481. The next prime is 305225650517. The reversal of 305225650507 is 705056522503.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-305225650507 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 305225650507.

It is not an unprimeable number, because it can be changed into a prime (305225650517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72705298 + ... + 72709495.

It is an arithmetic number, because the mean of its divisors is an integer number (76342766850).

Almost surely, 2^305225650507 is an apocalyptic number.

305225650507 is a deficient number, since it is larger than the sum of its proper divisors (145416893).

305225650507 is a wasteful number, since it uses less digits than its factorization.

305225650507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145416892.

The product of its (nonzero) digits is 315000, while the sum is 40.

The spelling of 305225650507 in words is "three hundred five billion, two hundred twenty-five million, six hundred fifty thousand, five hundred seven".