2281751 has 2 divisors, whose sum is σ = 2281752. Its totient is φ = 2281750.

The previous prime is 2281739. The next prime is 2281771. The reversal of 2281751 is 1571822.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2281751 - 2⁶ = 2281687 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2281751.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2281711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1140875 + 1140876.

It is an arithmetic number, because the mean of its divisors is an integer number (1140876).

2^2281751 is an apocalyptic number.

2281751 is a deficient number, since it is larger than the sum of its proper divisors (1).

2281751 is an equidigital number, since it uses as much as digits as its factorization.

2281751 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1120, while the sum is 26.

The square root of 2281751 is about 1510.5465898144. The cubic root of 2281751 is about 131.6505718367.

The spelling of 2281751 in words is "two million, two hundred eighty-one thousand, seven hundred fifty-one".