1052981789 has 2 divisors, whose sum is σ = 1052981790. Its totient is φ = 1052981788.

The previous prime is 1052981773. The next prime is 1052981801. The reversal of 1052981789 is 9871892501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 921122500 + 131859289 = 30350^2 + 11483^2 .

It is a cyclic number.

It is not a de Polignac number, because 1052981789 - 2⁴ = 1052981773 is a prime.

It is a super-2 number, since 2×1052981789² = 2217541295931281042, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1052981719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 526490894 + 526490895.

It is an arithmetic number, because the mean of its divisors is an integer number (526490895).

Almost surely, 2^1052981789 is an apocalyptic number.

It is an amenable number.

1052981789 is a deficient number, since it is larger than the sum of its proper divisors (1).

1052981789 is an equidigital number, since it uses as much as digits as its factorization.

1052981789 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 362880, while the sum is 50.

The square root of 1052981789 is about 32449.6808767051. The cubic root of 1052981789 is about 1017.3575679748.

The spelling of 1052981789 in words is "one billion, fifty-two million, nine hundred eighty-one thousand, seven hundred eighty-nine".