259594121 has 2 divisors, whose sum is σ = 259594122. Its totient is φ = 259594120.

The previous prime is 259594117. The next prime is 259594141. The reversal of 259594121 is 121495952.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 257955721 + 1638400 = 16061^2 + 1280^2 .

It is a cyclic number.

It is not a de Polignac number, because 259594121 - 2² = 259594117 is a prime.

It is not a weakly prime, because it can be changed into another prime (259594141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129797060 + 129797061.

It is an arithmetic number, because the mean of its divisors is an integer number (129797061).

Almost surely, 2^259594121 is an apocalyptic number.

It is an amenable number.

259594121 is a deficient number, since it is larger than the sum of its proper divisors (1).

259594121 is an equidigital number, since it uses as much as digits as its factorization.

259594121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32400, while the sum is 38.

The square root of 259594121 is about 16111.9248074214. The cubic root of 259594121 is about 637.9181383947.

The spelling of 259594121 in words is "two hundred fifty-nine million, five hundred ninety-four thousand, one hundred twenty-one".