1285588085 has 16 divisors (see below), whose sum is σ = 1554474240. Its totient is φ = 1020648000.

The previous prime is 1285588081. The next prime is 1285588097. The reversal of 1285588085 is 5808855821.

It is not a de Polignac number, because 1285588085 - 2² = 1285588081 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1285588081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 648626 + ... + 650604.

It is an arithmetic number, because the mean of its divisors is an integer number (97154640).

Almost surely, 2^1285588085 is an apocalyptic number.

It is an amenable number.

1285588085 is a deficient number, since it is larger than the sum of its proper divisors (268886155).

1285588085 is a wasteful number, since it uses less digits than its factorization.

1285588085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2908.

The product of its (nonzero) digits is 1024000, while the sum is 50.

The square root of 1285588085 is about 35855.0984519636. The cubic root of 1285588085 is about 1087.3447941625.

The spelling of 1285588085 in words is "one billion, two hundred eighty-five million, five hundred eighty-eight thousand, eighty-five".