259671427 has 2 divisors, whose sum is σ = 259671428. Its totient is φ = 259671426.

The previous prime is 259671421. The next prime is 259671457. The reversal of 259671427 is 724176952.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 259671427 - 2⁷ = 259671299 is a prime.

It is not a weakly prime, because it can be changed into another prime (259671421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129835713 + 129835714.

It is an arithmetic number, because the mean of its divisors is an integer number (129835714).

Almost surely, 2^259671427 is an apocalyptic number.

259671427 is a deficient number, since it is larger than the sum of its proper divisors (1).

259671427 is an equidigital number, since it uses as much as digits as its factorization.

259671427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 211680, while the sum is 43.

The square root of 259671427 is about 16114.3236594031. The cubic root of 259671427 is about 637.9814551922.

The spelling of 259671427 in words is "two hundred fifty-nine million, six hundred seventy-one thousand, four hundred twenty-seven".