306605475253 has 12 divisors (see below), whose sum is σ = 389087468352. Its totient is φ = 238913356920.

The previous prime is 306605475229. The next prime is 306605475271. The reversal of 306605475253 is 352574506603.

It is not a de Polignac number, because 306605475253 - 2¹³ = 306605467061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (306605475853) 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 11 ways as a sum of consecutive naturals, for example, 284420125 + ... + 284421202.

It is an arithmetic number, because the mean of its divisors is an integer number (32423955696).

Almost surely, 2^306605475253 is an apocalyptic number.

It is an amenable number.

306605475253 is a deficient number, since it is larger than the sum of its proper divisors (82481993099).

306605475253 is a wasteful number, since it uses less digits than its factorization.

306605475253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568841352 (or 568841345 counting only the distinct ones).

The product of its (nonzero) digits is 2268000, while the sum is 46.

The spelling of 306605475253 in words is "three hundred six billion, six hundred five million, four hundred seventy-five thousand, two hundred fifty-three".