2558250805 has 16 divisors (see below), whose sum is σ = 3464467200. Its totient is φ = 1796388160.

The previous prime is 2558250803. The next prime is 2558250823. The reversal of 2558250805 is 5080528552.

It is a happy number.

It is not a de Polignac number, because 2558250805 - 2¹ = 2558250803 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2558250803) 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 in 15 ways as a sum of consecutive naturals, for example, 800365 + ... + 803554.

It is an arithmetic number, because the mean of its divisors is an integer number (216529200).

Almost surely, 2^2558250805 is an apocalyptic number.

It is an amenable number.

2558250805 is a deficient number, since it is larger than the sum of its proper divisors (906216395).

2558250805 is a wasteful number, since it uses less digits than its factorization.

2558250805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1603964.

The product of its (nonzero) digits is 160000, while the sum is 40.

The square root of 2558250805 is about 50579.1538580866. The cubic root of 2558250805 is about 1367.6691153744.

The spelling of 2558250805 in words is "two billion, five hundred fifty-eight million, two hundred fifty thousand, eight hundred five".