260144233 has 2 divisors, whose sum is σ = 260144234. Its totient is φ = 260144232.

The previous prime is 260144207. The next prime is 260144279. The reversal of 260144233 is 332441062.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 254817369 + 5326864 = 15963^2 + 2308^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-260144233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 260144198 and 260144207.

It is not a weakly prime, because it can be changed into another prime (260144293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130072116 + 130072117.

It is an arithmetic number, because the mean of its divisors is an integer number (130072117).

Almost surely, 2^260144233 is an apocalyptic number.

It is an amenable number.

260144233 is a deficient number, since it is larger than the sum of its proper divisors (1).

260144233 is an equidigital number, since it uses as much as digits as its factorization.

260144233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 260144233 is about 16128.9873519697. The cubic root of 260144233 is about 638.3684295743.

Adding to 260144233 its reverse (332441062), we get a palindrome (592585295).

The spelling of 260144233 in words is "two hundred sixty million, one hundred forty-four thousand, two hundred thirty-three".