2281451797 has 2 divisors, whose sum is σ = 2281451798. Its totient is φ = 2281451796.

The previous prime is 2281451791. The next prime is 2281451819. The reversal of 2281451797 is 7971541822.

2281451797 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2268997956 + 12453841 = 47634^2 + 3529^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2281451797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2281451791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1140725898 + 1140725899.

It is an arithmetic number, because the mean of its divisors is an integer number (1140725899).

Almost surely, 2^2281451797 is an apocalyptic number.

It is an amenable number.

2281451797 is a deficient number, since it is larger than the sum of its proper divisors (1).

2281451797 is an equidigital number, since it uses as much as digits as its factorization.

2281451797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 282240, while the sum is 46.

The square root of 2281451797 is about 47764.5453971877. The cubic root of 2281451797 is about 1316.4481719654.

It can be divided in two parts, 228 and 1451797, that added together give a square (1452025 = 1205²).

The spelling of 2281451797 in words is "two billion, two hundred eighty-one million, four hundred fifty-one thousand, seven hundred ninety-seven".