2558881625 has 32 divisors (see below), whose sum is σ = 3323548800. Its totient is φ = 1965364800.

The previous prime is 2558881607. The next prime is 2558881643. The reversal of 2558881625 is 5261888552.

2558881625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2558881607) and next prime (2558881643).

It is a de Polignac number, because none of the positive numbers 2^k-2558881625 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 313091 + ... + 321159.

It is an arithmetic number, because the mean of its divisors is an integer number (103860900).

Almost surely, 2^2558881625 is an apocalyptic number.

2558881625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2558881625 is a deficient number, since it is larger than the sum of its proper divisors (764667175).

2558881625 is an equidigital number, since it uses as much as digits as its factorization.

2558881625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8186 (or 8176 counting only the distinct ones).

The product of its digits is 1536000, while the sum is 50.

The square root of 2558881625 is about 50585.3894420118. The cubic root of 2558881625 is about 1367.7815205806.

The spelling of 2558881625 in words is "two billion, five hundred fifty-eight million, eight hundred eighty-one thousand, six hundred twenty-five".