1005532612 has 12 divisors (see below), whose sum is σ = 2011065280. Its totient is φ = 430942536.

The previous prime is 1005532543. The next prime is 1005532613. The reversal of 1005532612 is 2162355001.

1005532612 is an admirable number.

It is a super-2 number, since 2×1005532612² = 2022191667591085088, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1005532613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17955912 + ... + 17955967.

Almost surely, 2^1005532612 is an apocalyptic number.

It is an amenable number.

1005532612 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1005532612 is a wasteful number, since it uses less digits than its factorization.

1005532612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35911890 (or 35911888 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 1005532612 is about 31710.1342160515. The cubic root of 1005532612 is about 1001.8408133270.

Adding to 1005532612 its reverse (2162355001), we get a palindrome (3167887613).

The spelling of 1005532612 in words is "one billion, five million, five hundred thirty-two thousand, six hundred twelve".