259371121 has 2 divisors, whose sum is σ = 259371122. Its totient is φ = 259371120.

The previous prime is 259371083. The next prime is 259371127. The reversal of 259371121 is 121173952.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 200618896 + 58752225 = 14164^2 + 7665^2 .

It is a cyclic number.

It is not a de Polignac number, because 259371121 - 2¹⁷ = 259240049 is a prime.

It is not a weakly prime, because it can be changed into another prime (259371127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129685560 + 129685561.

It is an arithmetic number, because the mean of its divisors is an integer number (129685561).

Almost surely, 2^259371121 is an apocalyptic number.

It is an amenable number.

259371121 is a deficient number, since it is larger than the sum of its proper divisors (1).

259371121 is an equidigital number, since it uses as much as digits as its factorization.

259371121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3780, while the sum is 31.

The square root of 259371121 is about 16105.0029804406. The cubic root of 259371121 is about 637.7354217524.

The spelling of 259371121 in words is "two hundred fifty-nine million, three hundred seventy-one thousand, one hundred twenty-one".