306906225065 has 16 divisors (see below), whose sum is σ = 401801639616. Its totient is φ = 223185921600.

The previous prime is 306906225061. The next prime is 306906225083. The reversal of 306906225065 is 560522609603.

It is not a de Polignac number, because 306906225065 - 2² = 306906225061 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (306906225061) 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 15 ways as a sum of consecutive naturals, for example, 451355 + ... + 904175.

It is an arithmetic number, because the mean of its divisors is an integer number (25112602476).

Almost surely, 2^306906225065 is an apocalyptic number.

It is an amenable number.

306906225065 is a deficient number, since it is larger than the sum of its proper divisors (94895414551).

306906225065 is a wasteful number, since it uses less digits than its factorization.

306906225065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465160.

The product of its (nonzero) digits is 583200, while the sum is 44.

The spelling of 306906225065 in words is "three hundred six billion, nine hundred six million, two hundred twenty-five thousand, sixty-five".