259912013 has 8 divisors (see below), whose sum is σ = 267204600. Its totient is φ = 252633600.

The previous prime is 259911989. The next prime is 259912027. The reversal of 259912013 is 310219952.

It can be written as a sum of positive squares in 4 ways, for example, as 7038409 + 252873604 = 2653^2 + 15902^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 259912013 - 2¹⁸ = 259649869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (259915013) 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 in 7 ways as a sum of consecutive naturals, for example, 41513 + ... + 47361.

It is an arithmetic number, because the mean of its divisors is an integer number (33400575).

Almost surely, 2^259912013 is an apocalyptic number.

It is an amenable number.

259912013 is a deficient number, since it is larger than the sum of its proper divisors (7292587).

259912013 is a wasteful number, since it uses less digits than its factorization.

259912013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7087.

The product of its (nonzero) digits is 4860, while the sum is 32.

The square root of 259912013 is about 16121.7869046827. The cubic root of 259912013 is about 638.1784246596.

The spelling of 259912013 in words is "two hundred fifty-nine million, nine hundred twelve thousand, thirteen".