251065000313 has 16 divisors (see below), whose sum is σ = 264194434560. Its totient is φ = 238271932800.

The previous prime is 251065000309. The next prime is 251065000321. The reversal of 251065000313 is 313000560152.

It is a cyclic number.

It is not a de Polignac number, because 251065000313 - 2² = 251065000309 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 (251065000013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8770658 + ... + 8799236.

It is an arithmetic number, because the mean of its divisors is an integer number (16512152160).

Almost surely, 2^251065000313 is an apocalyptic number.

It is an amenable number.

251065000313 is a deficient number, since it is larger than the sum of its proper divisors (13129434247).

251065000313 is a wasteful number, since it uses less digits than its factorization.

251065000313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34448.

The product of its (nonzero) digits is 2700, while the sum is 26.

Adding to 251065000313 its reverse (313000560152), we get a palindrome (564065560465).

The spelling of 251065000313 in words is "two hundred fifty-one billion, sixty-five million, three hundred thirteen", and thus it is an aban number.