1080001613 has 2 divisors, whose sum is σ = 1080001614. Its totient is φ = 1080001612.

The previous prime is 1080001603. The next prime is 1080001627. The reversal of 1080001613 is 3161000801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 710862244 + 369139369 = 26662^2 + 19213^2 .

It is a cyclic number.

It is not a de Polignac number, because 1080001613 - 2⁸ = 1080001357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1080001603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 540000806 + 540000807.

It is an arithmetic number, because the mean of its divisors is an integer number (540000807).

Almost surely, 2^1080001613 is an apocalyptic number.

It is an amenable number.

1080001613 is a deficient number, since it is larger than the sum of its proper divisors (1).

1080001613 is an equidigital number, since it uses as much as digits as its factorization.

1080001613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 1080001613 is about 32863.3779913143. The cubic root of 1080001613 is about 1025.9860787819.

The spelling of 1080001613 in words is "one billion, eighty million, one thousand, six hundred thirteen".