2558995925 has 6 divisors (see below), whose sum is σ = 3173154978. Its totient is φ = 2047196720.

The previous prime is 2558995913. The next prime is 2558995927. The reversal of 2558995925 is 5295998552.

2558995925 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 413268241 + 2145727684 = 20329^2 + 46322^2 .

It is not a de Polignac number, because 2558995925 - 2¹² = 2558991829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2558995927) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 51179894 + ... + 51179943.

It is an arithmetic number, because the mean of its divisors is an integer number (528859163).

Almost surely, 2^2558995925 is an apocalyptic number.

2558995925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2558995925 is a deficient number, since it is larger than the sum of its proper divisors (614159053).

2558995925 is a wasteful number, since it uses less digits than its factorization.

2558995925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102359847 (or 102359842 counting only the distinct ones).

The product of its digits is 14580000, while the sum is 59.

The square root of 2558995925 is about 50586.5192022539. The cubic root of 2558995925 is about 1367.8018856102.

The spelling of 2558995925 in words is "two billion, five hundred fifty-eight million, nine hundred ninety-five thousand, nine hundred twenty-five".