2251383745 has 16 divisors (see below), whose sum is σ = 2911104000. Its totient is φ = 1661632704.

The previous prime is 2251383721. The next prime is 2251383749. The reversal of 2251383745 is 5473831522.

It is a cyclic number.

It is not a de Polignac number, because 2251383745 - 2¹¹ = 2251381697 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2251383698 and 2251383707.

It is not an unprimeable number, because it can be changed into a prime (2251383749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121272 + ... + 138598.

It is an arithmetic number, because the mean of its divisors is an integer number (181944000).

Almost surely, 2^2251383745 is an apocalyptic number.

It is an amenable number.

2251383745 is a deficient number, since it is larger than the sum of its proper divisors (659720255).

2251383745 is a wasteful number, since it uses less digits than its factorization.

2251383745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19344.

The product of its digits is 201600, while the sum is 40.

The square root of 2251383745 is about 47448.7486136357. The cubic root of 2251383745 is about 1310.6392670776.

The spelling of 2251383745 in words is "two billion, two hundred fifty-one million, three hundred eighty-three thousand, seven hundred forty-five".