1052999989 has 2 divisors, whose sum is σ = 1052999990. Its totient is φ = 1052999988.

The previous prime is 1052999977. The next prime is 1053000017. The reversal of 1052999989 is 9899992501.

1052999989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 988599364 + 64400625 = 31442^2 + 8025^2 .

It is a cyclic number.

It is not a de Polignac number, because 1052999989 - 2⁵ = 1052999957 is a prime.

It is a super-2 number, since 2×1052999989² = 2217617953668000242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1052999089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 526499994 + 526499995.

It is an arithmetic number, because the mean of its divisors is an integer number (526499995).

Almost surely, 2^1052999989 is an apocalyptic number.

It is an amenable number.

1052999989 is a deficient number, since it is larger than the sum of its proper divisors (1).

1052999989 is an equidigital number, since it uses as much as digits as its factorization.

1052999989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4723920, while the sum is 61.

The square root of 1052999989 is about 32449.9613096842. The cubic root of 1052999989 is about 1017.3634293617.

The spelling of 1052999989 in words is "one billion, fifty-two million, nine hundred ninety-nine thousand, nine hundred eighty-nine".