2251445113 has 2 divisors, whose sum is σ = 2251445114. Its totient is φ = 2251445112.

The previous prime is 2251445111. The next prime is 2251445117. The reversal of 2251445113 is 3115441522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2245622544 + 5822569 = 47388^2 + 2413^2 .

It is a cyclic number.

It is not a de Polignac number, because 2251445113 - 2¹ = 2251445111 is a prime.

Together with 2251445111, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2251445111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1125722556 + 1125722557.

It is an arithmetic number, because the mean of its divisors is an integer number (1125722557).

Almost surely, 2^2251445113 is an apocalyptic number.

It is an amenable number.

2251445113 is a deficient number, since it is larger than the sum of its proper divisors (1).

2251445113 is an equidigital number, since it uses as much as digits as its factorization.

2251445113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4800, while the sum is 28.

The square root of 2251445113 is about 47449.3952859254. The cubic root of 2251445113 is about 1310.6511753954.

Adding to 2251445113 its reverse (3115441522), we get a palindrome (5366886635).

The spelling of 2251445113 in words is "two billion, two hundred fifty-one million, four hundred forty-five thousand, one hundred thirteen".