1005451005 has 16 divisors (see below), whose sum is σ = 1732469760. Its totient is φ = 494991168.

The previous prime is 1005451001. The next prime is 1005451019. The reversal of 1005451005 is 5001545001.

It is not a de Polignac number, because 1005451005 - 2² = 1005451001 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1005451001) 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, 2577885 + ... + 2578274.

It is an arithmetic number, because the mean of its divisors is an integer number (108279360).

Almost surely, 2^1005451005 is an apocalyptic number.

1005451005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1005451005 is a deficient number, since it is larger than the sum of its proper divisors (727018755).

1005451005 is a wasteful number, since it uses less digits than its factorization.

1005451005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5156180.

The product of its (nonzero) digits is 500, while the sum is 21.

The square root of 1005451005 is about 31708.8474246542. The cubic root of 1005451005 is about 1001.8137101335.

Adding to 1005451005 its reverse (5001545001), we get a palindrome (6006996006).

The spelling of 1005451005 in words is "one billion, five million, four hundred fifty-one thousand, five".