2251486705 has 8 divisors (see below), whose sum is σ = 2909613672. Its totient is φ = 1662636288.

The previous prime is 2251486697. The next prime is 2251486729. The reversal of 2251486705 is 5076841522.

It can be written as a sum of positive squares in 4 ways, for example, as 48874081 + 2202612624 = 6991^2 + 46932^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2251486705 - 2³ = 2251486697 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17319064 + ... + 17319193.

It is an arithmetic number, because the mean of its divisors is an integer number (363701709).

Almost surely, 2^2251486705 is an apocalyptic number.

It is an amenable number.

2251486705 is a deficient number, since it is larger than the sum of its proper divisors (658126967).

2251486705 is a wasteful number, since it uses less digits than its factorization.

2251486705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34638275.

The product of its (nonzero) digits is 134400, while the sum is 40.

The square root of 2251486705 is about 47449.8335613519. The cubic root of 2251486705 is about 1310.6592461034.

The spelling of 2251486705 in words is "two billion, two hundred fifty-one million, four hundred eighty-six thousand, seven hundred five".