259473073 has 2 divisors, whose sum is σ = 259473074. Its totient is φ = 259473072.

The previous prime is 259473013. The next prime is 259473161. The reversal of 259473073 is 370374952.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 259306609 + 166464 = 16103^2 + 408^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-259473073 is a prime.

It is a super-2 number, since 2×259473073² = 134652551224126658, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (259473013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129736536 + 129736537.

It is an arithmetic number, because the mean of its divisors is an integer number (129736537).

Almost surely, 2^259473073 is an apocalyptic number.

It is an amenable number.

259473073 is a deficient number, since it is larger than the sum of its proper divisors (1).

259473073 is an equidigital number, since it uses as much as digits as its factorization.

259473073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 158760, while the sum is 40.

The square root of 259473073 is about 16108.1678970639. The cubic root of 259473073 is about 637.8189698415.

The spelling of 259473073 in words is "two hundred fifty-nine million, four hundred seventy-three thousand, seventy-three".