1005061285 has 8 divisors (see below), whose sum is σ = 1214061696. Its totient is φ = 798723600.

The previous prime is 1005061279. The next prime is 1005061289. The reversal of 1005061285 is 5821605001.

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

It is not a de Polignac number, because 1005061285 - 2⁷ = 1005061157 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 (1005061289) 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, 664849 + ... + 666358.

It is an arithmetic number, because the mean of its divisors is an integer number (151757712).

Almost surely, 2^1005061285 is an apocalyptic number.

It is an amenable number.

1005061285 is a deficient number, since it is larger than the sum of its proper divisors (209000411).

1005061285 is a wasteful number, since it uses less digits than its factorization.

1005061285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1331363.

The product of its (nonzero) digits is 2400, while the sum is 28.

The square root of 1005061285 is about 31702.7015410359. The cubic root of 1005061285 is about 1001.6842566868.

Adding to 1005061285 its reverse (5821605001), we get a palindrome (6826666286).

The spelling of 1005061285 in words is "one billion, five million, sixty-one thousand, two hundred eighty-five".