258960673 has 2 divisors, whose sum is σ = 258960674. Its totient is φ = 258960672.

The previous prime is 258960661. The next prime is 258960707. The reversal of 258960673 is 376069852.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 255456289 + 3504384 = 15983^2 + 1872^2 .

It is a cyclic number.

It is not a de Polignac number, because 258960673 - 2¹³ = 258952481 is a prime.

It is a super-2 number, since 2×258960673² = 134121260321225858, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (258960623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129480336 + 129480337.

It is an arithmetic number, because the mean of its divisors is an integer number (129480337).

Almost surely, 2^258960673 is an apocalyptic number.

It is an amenable number.

258960673 is a deficient number, since it is larger than the sum of its proper divisors (1).

258960673 is an equidigital number, since it uses as much as digits as its factorization.

258960673 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 544320, while the sum is 46.

The square root of 258960673 is about 16092.2550626070. The cubic root of 258960673 is about 637.3988442857.

It can be divided in two parts, 25 and 8960673, that added together give a palindrome (8960698).

The spelling of 258960673 in words is "two hundred fifty-eight million, nine hundred sixty thousand, six hundred seventy-three".