1050503321 has 16 divisors (see below), whose sum is σ = 1273092480. Its totient is φ = 846201600.

The previous prime is 1050503303. The next prime is 1050503327. The reversal of 1050503321 is 1233050501.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1050503321 is a prime.

It is a super-2 number, since 2×1050503321² = 2207114454864058082, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1050503293 and 1050503302.

It is not an unprimeable number, because it can be changed into a prime (1050503327) 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 in 15 ways as a sum of consecutive naturals, for example, 78146 + ... + 90596.

It is an arithmetic number, because the mean of its divisors is an integer number (79568280).

Almost surely, 2^1050503321 is an apocalyptic number.

It is an amenable number.

1050503321 is a deficient number, since it is larger than the sum of its proper divisors (222589159).

1050503321 is a wasteful number, since it uses less digits than its factorization.

1050503321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13184.

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 1050503321 is about 32411.4689731891. The cubic root of 1050503321 is about 1016.5587351993.

Adding to 1050503321 its reverse (1233050501), we get a palindrome (2283553822).

The spelling of 1050503321 in words is "one billion, fifty million, five hundred three thousand, three hundred twenty-one".