259625369 has 2 divisors, whose sum is σ = 259625370. Its totient is φ = 259625368.

The previous prime is 259625347. The next prime is 259625383. The reversal of 259625369 is 963526952.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 163840000 + 95785369 = 12800^2 + 9787^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-259625369 is a prime.

It is a super-2 number, since 2×259625369² = 134810664456772322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (259625339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129812684 + 129812685.

It is an arithmetic number, because the mean of its divisors is an integer number (129812685).

Almost surely, 2^259625369 is an apocalyptic number.

It is an amenable number.

259625369 is a deficient number, since it is larger than the sum of its proper divisors (1).

259625369 is an equidigital number, since it uses as much as digits as its factorization.

259625369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 874800, while the sum is 47.

The square root of 259625369 is about 16112.8944947827. The cubic root of 259625369 is about 637.9437333069.

The spelling of 259625369 in words is "two hundred fifty-nine million, six hundred twenty-five thousand, three hundred sixty-nine".