2558251085 has 8 divisors (see below), whose sum is σ = 3306047640. Its totient is φ = 1889169984.

The previous prime is 2558251081. The next prime is 2558251093. The reversal of 2558251085 is 5801528552.

2558251085 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 4 ways, for example, as 154604356 + 2403646729 = 12434^2 + 49027^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2558251085 - 2² = 2558251081 is a prime.

It is a super-2 number, since 2×2558251085² = 13089297227807354450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2558251081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19678790 + ... + 19678919.

It is an arithmetic number, because the mean of its divisors is an integer number (413255955).

Almost surely, 2^2558251085 is an apocalyptic number.

It is an amenable number.

2558251085 is a deficient number, since it is larger than the sum of its proper divisors (747796555).

2558251085 is a wasteful number, since it uses less digits than its factorization.

2558251085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39357727.

The product of its (nonzero) digits is 160000, while the sum is 41.

The square root of 2558251085 is about 50579.1566260253. The cubic root of 2558251085 is about 1367.6691652714.

It can be divided in two parts, 25582 and 51085, that added together give a palindrome (76667).

The spelling of 2558251085 in words is "two billion, five hundred fifty-eight million, two hundred fifty-one thousand, eighty-five".