1050215009 has 2 divisors, whose sum is σ = 1050215010. Its totient is φ = 1050215008.

The previous prime is 1050214999. The next prime is 1050215053. The reversal of 1050215009 is 9005120501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 931470400 + 118744609 = 30520^2 + 10897^2 .

It is a cyclic number.

It is not a de Polignac number, because 1050215009 - 2²⁸ = 781779553 is a prime.

It is a super-2 number, since 2×1050215009² = 2205903130257740162, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1050215059) 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, 525107504 + 525107505.

It is an arithmetic number, because the mean of its divisors is an integer number (525107505).

Almost surely, 2^1050215009 is an apocalyptic number.

It is an amenable number.

1050215009 is a deficient number, since it is larger than the sum of its proper divisors (1).

1050215009 is an equidigital number, since it uses as much as digits as its factorization.

1050215009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 450, while the sum is 23.

The square root of 1050215009 is about 32407.0209831141. The cubic root of 1050215009 is about 1016.4657280687.

The spelling of 1050215009 in words is "one billion, fifty million, two hundred fifteen thousand, nine".