1005811413 has 8 divisors (see below), whose sum is σ = 1399389888. Its totient is φ = 641386944.

The previous prime is 1005811403. The next prime is 1005811427. The reversal of 1005811413 is 3141185001.

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

It is not a de Polignac number, because 1005811413 - 2⁴ = 1005811397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1005811403) 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, 7288420 + ... + 7288557.

It is an arithmetic number, because the mean of its divisors is an integer number (174923736).

Almost surely, 2^1005811413 is an apocalyptic number.

It is an amenable number.

1005811413 is a deficient number, since it is larger than the sum of its proper divisors (393578475).

1005811413 is a wasteful number, since it uses less digits than its factorization.

1005811413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14577003.

The product of its (nonzero) digits is 480, while the sum is 24.

The square root of 1005811413 is about 31714.5299980939. The cubic root of 1005811413 is about 1001.9333972328.

Adding to 1005811413 its reverse (3141185001), we get a palindrome (4146996414).

The spelling of 1005811413 in words is "one billion, five million, eight hundred eleven thousand, four hundred thirteen".