259842413 has 4 divisors (see below), whose sum is σ = 260240988. Its totient is φ = 259443840.

The previous prime is 259842389. The next prime is 259842419. The reversal of 259842413 is 314248952.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 96079204 + 163763209 = 9802^2 + 12797^2 .

It is a cyclic number.

It is not a de Polignac number, because 259842413 - 2¹⁶ = 259776877 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 (259842419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 198308 + ... + 199613.

It is an arithmetic number, because the mean of its divisors is an integer number (65060247).

Almost surely, 2^259842413 is an apocalyptic number.

It is an amenable number.

259842413 is a deficient number, since it is larger than the sum of its proper divisors (398575).

259842413 is an equidigital number, since it uses as much as digits as its factorization.

259842413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398574.

The product of its digits is 69120, while the sum is 38.

The square root of 259842413 is about 16119.6281905012. The cubic root of 259842413 is about 638.1214551450.

The spelling of 259842413 in words is "two hundred fifty-nine million, eight hundred forty-two thousand, four hundred thirteen".