1085025807 has 32 divisors (see below), whose sum is σ = 1665720000. Its totient is φ = 697213440.

The previous prime is 1085025803. The next prime is 1085025811. The reversal of 1085025807 is 7085205801.

It is an interprime number because it is at equal distance from previous prime (1085025803) and next prime (1085025811).

It is not a de Polignac number, because 1085025807 - 2² = 1085025803 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1085025803) by changing a digit.

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, 820707 + ... + 822027.

It is an arithmetic number, because the mean of its divisors is an integer number (52053750).

Almost surely, 2^1085025807 is an apocalyptic number.

1085025807 is a deficient number, since it is larger than the sum of its proper divisors (580694193).

1085025807 is a wasteful number, since it uses less digits than its factorization.

1085025807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2408 (or 2402 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 36.

The square root of 1085025807 is about 32939.7299169255. The cubic root of 1085025807 is about 1027.5745888631.

The spelling of 1085025807 in words is "one billion, eighty-five million, twenty-five thousand, eight hundred seven".