1006513863 has 8 divisors (see below), whose sum is σ = 1364764800. Its totient is φ = 659636088.

The previous prime is 1006513829. The next prime is 1006513889. The reversal of 1006513863 is 3683156001.

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

It is not a de Polignac number, because 1006513863 - 2⁹ = 1006513351 is a prime.

It is a super-2 number, since 2×1006513863² = 2026140312822365538, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1006513813) 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, 2843083 + ... + 2843436.

It is an arithmetic number, because the mean of its divisors is an integer number (170595600).

Almost surely, 2^1006513863 is an apocalyptic number.

1006513863 is a deficient number, since it is larger than the sum of its proper divisors (358250937).

1006513863 is an equidigital number, since it uses as much as digits as its factorization.

1006513863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5686581.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 1006513863 is about 31725.6026420303. The cubic root of 1006513863 is about 1002.1665901637.

Adding to 1006513863 its reverse (3683156001), we get a palindrome (4689669864).

The spelling of 1006513863 in words is "one billion, six million, five hundred thirteen thousand, eight hundred sixty-three".