1005045506 has 8 divisors (see below), whose sum is σ = 1525731984. Its totient is φ = 496468180.

The previous prime is 1005045487. The next prime is 1005045511. The reversal of 1005045506 is 6055405001.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3027080 + ... + 3027411.

It is an arithmetic number, because the mean of its divisors is an integer number (190716498).

Almost surely, 2^1005045506 is an apocalyptic number.

1005045506 is a deficient number, since it is larger than the sum of its proper divisors (520686478).

1005045506 is an equidigital number, since it uses as much as digits as its factorization.

1005045506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6054576.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 1005045506 is about 31702.4526811412. The cubic root of 1005045506 is about 1001.6790146653.

The spelling of 1005045506 in words is "one billion, five million, forty-five thousand, five hundred six".