260782751 has 2 divisors, whose sum is σ = 260782752. Its totient is φ = 260782750.

The previous prime is 260782741. The next prime is 260782759. The reversal of 260782751 is 157287062.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-260782751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (260782759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130391375 + 130391376.

It is an arithmetic number, because the mean of its divisors is an integer number (130391376).

Almost surely, 2^260782751 is an apocalyptic number.

260782751 is a deficient number, since it is larger than the sum of its proper divisors (1).

260782751 is an equidigital number, since it uses as much as digits as its factorization.

260782751 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 47040, while the sum is 38.

The square root of 260782751 is about 16148.7693339152. The cubic root of 260782751 is about 638.8902896885.

It can be divided in two parts, 2607 and 82751, that added together give a palindrome (85358).

The spelling of 260782751 in words is "two hundred sixty million, seven hundred eighty-two thousand, seven hundred fifty-one".