258054919 has 2 divisors, whose sum is σ = 258054920. Its totient is φ = 258054918.

The previous prime is 258054893. The next prime is 258054959. The reversal of 258054919 is 919450852.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 258054919 - 2⁷ = 258054791 is a prime.

It is a super-2 number, since 2×258054919² = 133184682440193122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (258054959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129027459 + 129027460.

It is an arithmetic number, because the mean of its divisors is an integer number (129027460).

Almost surely, 2^258054919 is an apocalyptic number.

258054919 is a deficient number, since it is larger than the sum of its proper divisors (1).

258054919 is an equidigital number, since it uses as much as digits as its factorization.

258054919 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129600, while the sum is 43.

The square root of 258054919 is about 16064.0878670406. The cubic root of 258054919 is about 636.6548433367.

The spelling of 258054919 in words is "two hundred fifty-eight million, fifty-four thousand, nine hundred nineteen".