2251828049 has 2 divisors, whose sum is σ = 2251828050. Its totient is φ = 2251828048.

The previous prime is 2251828009. The next prime is 2251828091. The reversal of 2251828049 is 9408281522.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1536640000 + 715188049 = 39200^2 + 26743^2 .

It is a cyclic number.

It is not a de Polignac number, because 2251828049 - 2⁸ = 2251827793 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2251827997 and 2251828015.

It is not a weakly prime, because it can be changed into another prime (2251828009) 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 as a sum of consecutive naturals, namely, 1125914024 + 1125914025.

It is an arithmetic number, because the mean of its divisors is an integer number (1125914025).

Almost surely, 2^2251828049 is an apocalyptic number.

It is an amenable number.

2251828049 is a deficient number, since it is larger than the sum of its proper divisors (1).

2251828049 is an equidigital number, since it uses as much as digits as its factorization.

2251828049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 92160, while the sum is 41.

The square root of 2251828049 is about 47453.4303185765. The cubic root of 2251828049 is about 1310.7254783492.

The spelling of 2251828049 in words is "two billion, two hundred fifty-one million, eight hundred twenty-eight thousand, forty-nine".