259059431 has 2 divisors, whose sum is σ = 259059432. Its totient is φ = 259059430.

The previous prime is 259059421. The next prime is 259059491. The reversal of 259059431 is 134950952.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 259059431 - 2²⁶ = 191950567 is a prime.

It is a super-2 number, since 2×259059431² = 134223577580087522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (259059401) 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, 129529715 + 129529716.

It is an arithmetic number, because the mean of its divisors is an integer number (129529716).

Almost surely, 2^259059431 is an apocalyptic number.

259059431 is a deficient number, since it is larger than the sum of its proper divisors (1).

259059431 is an equidigital number, since it uses as much as digits as its factorization.

259059431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48600, while the sum is 38.

The square root of 259059431 is about 16095.3232648493. The cubic root of 259059431 is about 637.4798607504.

The spelling of 259059431 in words is "two hundred fifty-nine million, fifty-nine thousand, four hundred thirty-one".