260224781 has 2 divisors, whose sum is σ = 260224782. Its totient is φ = 260224780.

The previous prime is 260224771. The next prime is 260224813. The reversal of 260224781 is 187422062.

It is an a-pointer prime, because the next prime (260224813) can be obtained adding 260224781 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 222904900 + 37319881 = 14930^2 + 6109^2 .

It is a cyclic number.

It is not a de Polignac number, because 260224781 - 2²⁶ = 193115917 is a prime.

It is a super-2 number, since 2×260224781² = 135433873292995922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (260224771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130112390 + 130112391.

It is an arithmetic number, because the mean of its divisors is an integer number (130112391).

Almost surely, 2^260224781 is an apocalyptic number.

It is an amenable number.

260224781 is a deficient number, since it is larger than the sum of its proper divisors (1).

260224781 is an equidigital number, since it uses as much as digits as its factorization.

260224781 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 260224781 is about 16131.4841536667. The cubic root of 260224781 is about 638.4343084058.

It can be divided in two parts, 26022 and 4781, that added together give a palindrome (30803).

The spelling of 260224781 in words is "two hundred sixty million, two hundred twenty-four thousand, seven hundred eighty-one".