1050003505 has 4 divisors (see below), whose sum is σ = 1260004212. Its totient is φ = 840002800.

The previous prime is 1050003497. The next prime is 1050003509. The reversal of 1050003505 is 5053000501.

1050003505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5053000501 = 10837 ⋅466273.

It can be written as a sum of positive squares in 2 ways, for example, as 209699361 + 840304144 = 14481^2 + 28988^2 .

It is not a de Polignac number, because 1050003505 - 2³ = 1050003497 is a prime.

It is a super-2 number, since 2×1050003505² = 2205014721024570050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1050003509) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105000346 + ... + 105000355.

It is an arithmetic number, because the mean of its divisors is an integer number (315001053).

Almost surely, 2^1050003505 is an apocalyptic number.

It is an amenable number.

1050003505 is a deficient number, since it is larger than the sum of its proper divisors (210000707).

1050003505 is an equidigital number, since it uses as much as digits as its factorization.

1050003505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210000706.

The product of its (nonzero) digits is 375, while the sum is 19.

The square root of 1050003505 is about 32403.7575753183. The cubic root of 1050003505 is about 1016.3974877562.

The spelling of 1050003505 in words is "one billion, fifty million, three thousand, five hundred five".