1025786085 has 32 divisors (see below), whose sum is σ = 1714652928. Its totient is φ = 522677760.

The previous prime is 1025786071. The next prime is 1025786159. The reversal of 1025786085 is 5806875201.

It is not a de Polignac number, because 1025786085 - 2⁵ = 1025786053 is a prime.

It is a congruent number.

It is an unprimeable number.

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 in 31 ways as a sum of consecutive naturals, for example, 475369 + ... + 477521.

It is an arithmetic number, because the mean of its divisors is an integer number (53582904).

Almost surely, 2^1025786085 is an apocalyptic number.

1025786085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1025786085 is a deficient number, since it is larger than the sum of its proper divisors (688866843).

1025786085 is a wasteful number, since it uses less digits than its factorization.

1025786085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3565.

The product of its (nonzero) digits is 134400, while the sum is 42.

The square root of 1025786085 is about 32027.8954194621. The cubic root of 1025786085 is about 1008.5225219465.

The spelling of 1025786085 in words is "one billion, twenty-five million, seven hundred eighty-six thousand, eighty-five".