258672019 has 2 divisors, whose sum is σ = 258672020. Its totient is φ = 258672018.

The previous prime is 258671981. The next prime is 258672031. The reversal of 258672019 is 910276852.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 258672019 - 2¹⁹ = 258147731 is a prime.

It is a super-2 number, since 2×258672019² = 133822426827072722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (258672049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129336009 + 129336010.

It is an arithmetic number, because the mean of its divisors is an integer number (129336010).

Almost surely, 2^258672019 is an apocalyptic number.

258672019 is a deficient number, since it is larger than the sum of its proper divisors (1).

258672019 is an equidigital number, since it uses as much as digits as its factorization.

258672019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 258672019 is about 16083.2838375750. The cubic root of 258672019 is about 637.1619278359.

The spelling of 258672019 in words is "two hundred fifty-eight million, six hundred seventy-two thousand, nineteen".