259198363 has 2 divisors, whose sum is σ = 259198364. Its totient is φ = 259198362.

The previous prime is 259198343. The next prime is 259198391. The reversal of 259198363 is 363891952.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-259198363 is a prime.

It is not a weakly prime, because it can be changed into another prime (259198343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129599181 + 129599182.

It is an arithmetic number, because the mean of its divisors is an integer number (129599182).

Almost surely, 2^259198363 is an apocalyptic number.

259198363 is a deficient number, since it is larger than the sum of its proper divisors (1).

259198363 is an equidigital number, since it uses as much as digits as its factorization.

259198363 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 349920, while the sum is 46.

The square root of 259198363 is about 16099.6385984282. The cubic root of 259198363 is about 637.5937992443.

The spelling of 259198363 in words is "two hundred fifty-nine million, one hundred ninety-eight thousand, three hundred sixty-three".