258251011 has 2 divisors, whose sum is σ = 258251012. Its totient is φ = 258251010.

The previous prime is 258250943. The next prime is 258251023. The reversal of 258251011 is 110152852.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 258251011 - 2¹³ = 258242819 is a prime.

It is not a weakly prime, because it can be changed into another prime (258251311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129125505 + 129125506.

It is an arithmetic number, because the mean of its divisors is an integer number (129125506).

Almost surely, 2^258251011 is an apocalyptic number.

258251011 is a deficient number, since it is larger than the sum of its proper divisors (1).

258251011 is an equidigital number, since it uses as much as digits as its factorization.

258251011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 800, while the sum is 25.

The square root of 258251011 is about 16070.1901357762. The cubic root of 258251011 is about 636.8160639447.

The spelling of 258251011 in words is "two hundred fifty-eight million, two hundred fifty-one thousand, eleven".