259814231 has 2 divisors, whose sum is σ = 259814232. Its totient is φ = 259814230.

The previous prime is 259814197. The next prime is 259814237. The reversal of 259814231 is 132418952.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 259814231 - 2²² = 255619927 is a prime.

It is a super-2 number, since 2×259814231² = 135006869260242722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 259814191 and 259814200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (259814237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129907115 + 129907116.

It is an arithmetic number, because the mean of its divisors is an integer number (129907116).

Almost surely, 2^259814231 is an apocalyptic number.

259814231 is a deficient number, since it is larger than the sum of its proper divisors (1).

259814231 is an equidigital number, since it uses as much as digits as its factorization.

259814231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 35.

The square root of 259814231 is about 16118.7540151216. The cubic root of 259814231 is about 638.0983845092.

The spelling of 259814231 in words is "two hundred fifty-nine million, eight hundred fourteen thousand, two hundred thirty-one".