259473013 has 2 divisors, whose sum is σ = 259473014. Its totient is φ = 259473012.

The previous prime is 259472981. The next prime is 259473073. The reversal of 259473013 is 310374952.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 247653169 + 11819844 = 15737^2 + 3438^2 .

It is a cyclic number.

It is not a de Polignac number, because 259473013 - 2⁵ = 259472981 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 259473013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (259473073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129736506 + 129736507.

It is an arithmetic number, because the mean of its divisors is an integer number (129736507).

Almost surely, 2^259473013 is an apocalyptic number.

It is an amenable number.

259473013 is a deficient number, since it is larger than the sum of its proper divisors (1).

259473013 is an equidigital number, since it uses as much as digits as its factorization.

259473013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 259473013 is about 16108.1660346546. The cubic root of 259473013 is about 637.8189206789.

The spelling of 259473013 in words is "two hundred fifty-nine million, four hundred seventy-three thousand, thirteen".