1033213813 has 2 divisors, whose sum is σ = 1033213814. Its totient is φ = 1033213812.

The previous prime is 1033213801. The next prime is 1033213823. The reversal of 1033213813 is 3183123301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 856908529 + 176305284 = 29273^2 + 13278^2 .

It is a cyclic number.

It is not a de Polignac number, because 1033213813 - 2⁵ = 1033213781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1033213823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 516606906 + 516606907.

It is an arithmetic number, because the mean of its divisors is an integer number (516606907).

Almost surely, 2^1033213813 is an apocalyptic number.

It is an amenable number.

1033213813 is a deficient number, since it is larger than the sum of its proper divisors (1).

1033213813 is an equidigital number, since it uses as much as digits as its factorization.

1033213813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 1033213813 is about 32143.6434307003. The cubic root of 1033213813 is about 1010.9509107993.

The spelling of 1033213813 in words is "one billion, thirty-three million, two hundred thirteen thousand, eight hundred thirteen".