259341391 has 4 divisors (see below), whose sum is σ = 259406784. Its totient is φ = 259276000.

The previous prime is 259341373. The next prime is 259341421. The reversal of 259341391 is 193143952.

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

It is a cyclic number.

It is not a de Polignac number, because 259341391 - 2¹¹ = 259339343 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 259341391.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (259341311) 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, 26335 + ... + 34816.

It is an arithmetic number, because the mean of its divisors is an integer number (64851696).

Almost surely, 2^259341391 is an apocalyptic number.

259341391 is a deficient number, since it is larger than the sum of its proper divisors (65393).

259341391 is an equidigital number, since it uses as much as digits as its factorization.

259341391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65392.

The product of its digits is 29160, while the sum is 37.

The square root of 259341391 is about 16104.0799488825. The cubic root of 259341391 is about 637.7110543537.

The spelling of 259341391 in words is "two hundred fifty-nine million, three hundred forty-one thousand, three hundred ninety-one".