2043226261 has 2 divisors, whose sum is σ = 2043226262. Its totient is φ = 2043226260.

The previous prime is 2043226219. The next prime is 2043226271. The reversal of 2043226261 is 1626223402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1340658225 + 702568036 = 36615^2 + 26506^2 .

It is a cyclic number.

It is not a de Polignac number, because 2043226261 - 2¹¹ = 2043224213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2043226271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1021613130 + 1021613131.

It is an arithmetic number, because the mean of its divisors is an integer number (1021613131).

Almost surely, 2^2043226261 is an apocalyptic number.

It is an amenable number.

2043226261 is a deficient number, since it is larger than the sum of its proper divisors (1).

2043226261 is an equidigital number, since it uses as much as digits as its factorization.

2043226261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 2043226261 is about 45202.0603623330. The cubic root of 2043226261 is about 1268.9333762434.

Adding to 2043226261 its reverse (1626223402), we get a palindrome (3669449663).

The spelling of 2043226261 in words is "two billion, forty-three million, two hundred twenty-six thousand, two hundred sixty-one".