2558005391 has 2 divisors, whose sum is σ = 2558005392. Its totient is φ = 2558005390.

The previous prime is 2558005379. The next prime is 2558005399. The reversal of 2558005391 is 1935008552.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2558005391 - 2⁶ = 2558005327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2558005399) 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, 1279002695 + 1279002696.

It is an arithmetic number, because the mean of its divisors is an integer number (1279002696).

Almost surely, 2^2558005391 is an apocalyptic number.

2558005391 is a deficient number, since it is larger than the sum of its proper divisors (1).

2558005391 is an equidigital number, since it uses as much as digits as its factorization.

2558005391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54000, while the sum is 38.

The square root of 2558005391 is about 50576.7277608981. The cubic root of 2558005391 is about 1367.6253802982.

The spelling of 2558005391 in words is "two billion, five hundred fifty-eight million, five thousand, three hundred ninety-one".