1033961881 has 2 divisors, whose sum is σ = 1033961882. Its totient is φ = 1033961880.

The previous prime is 1033961867. The next prime is 1033961899. The reversal of 1033961881 is 1881693301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 883040656 + 150921225 = 29716^2 + 12285^2 .

It is a cyclic number.

It is not a de Polignac number, because 1033961881 - 2²³ = 1025573273 is a prime.

It is a super-2 number, since 2×1033961881² = 2138154342722116322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1033961081) 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, 516980940 + 516980941.

It is an arithmetic number, because the mean of its divisors is an integer number (516980941).

Almost surely, 2^1033961881 is an apocalyptic number.

It is an amenable number.

1033961881 is a deficient number, since it is larger than the sum of its proper divisors (1).

1033961881 is an equidigital number, since it uses as much as digits as its factorization.

1033961881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 40.

The square root of 1033961881 is about 32155.2776539093. The cubic root of 1033961881 is about 1011.1948350074.

The spelling of 1033961881 in words is "one billion, thirty-three million, nine hundred sixty-one thousand, eight hundred eighty-one".