258734471 has 2 divisors, whose sum is σ = 258734472. Its totient is φ = 258734470.

The previous prime is 258734431. The next prime is 258734473. The reversal of 258734471 is 174437852.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-258734471 is a prime.

It is a super-3 number, since 3×258734471³ (a number of 26 digits) contains 333 as substring.

It is a Sophie Germain prime.

Together with 258734473, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (258734473) 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, 129367235 + 129367236.

It is an arithmetic number, because the mean of its divisors is an integer number (129367236).

Almost surely, 2^258734471 is an apocalyptic number.

258734471 is a deficient number, since it is larger than the sum of its proper divisors (1).

258734471 is an equidigital number, since it uses as much as digits as its factorization.

258734471 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 188160, while the sum is 41.

The square root of 258734471 is about 16085.2252393307. The cubic root of 258734471 is about 637.2132010466.

The spelling of 258734471 in words is "two hundred fifty-eight million, seven hundred thirty-four thousand, four hundred seventy-one".