259201221 has 8 divisors (see below), whose sum is σ = 354031104. Its totient is φ = 168586080.

The previous prime is 259201213. The next prime is 259201279. The reversal of 259201221 is 122102952.

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

It is not a de Polignac number, because 259201221 - 2³ = 259201213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 259201191 and 259201200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (259203221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1053541 + ... + 1053786.

It is an arithmetic number, because the mean of its divisors is an integer number (44253888).

Almost surely, 2^259201221 is an apocalyptic number.

It is an amenable number.

259201221 is a deficient number, since it is larger than the sum of its proper divisors (94829883).

259201221 is a wasteful number, since it uses less digits than its factorization.

259201221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2107371.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 259201221 is about 16099.7273579399. The cubic root of 259201221 is about 637.5961426701.

The spelling of 259201221 in words is "two hundred fifty-nine million, two hundred one thousand, two hundred twenty-one".