1003050221 has 2 divisors, whose sum is σ = 1003050222. Its totient is φ = 1003050220.

The previous prime is 1003050197. The next prime is 1003050239. The reversal of 1003050221 is 1220503001.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 567868900 + 435181321 = 23830^2 + 20861^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1003050221 is a prime.

It is a super-2 number, since 2×1003050221² = 2012219491696297682, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1003050196 and 1003050205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1003050721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501525110 + 501525111.

It is an arithmetic number, because the mean of its divisors is an integer number (501525111).

Almost surely, 2^1003050221 is an apocalyptic number.

It is an amenable number.

1003050221 is a deficient number, since it is larger than the sum of its proper divisors (1).

1003050221 is an equidigital number, since it uses as much as digits as its factorization.

1003050221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 1003050221 is about 31670.9681096110. The cubic root of 1003050221 is about 1001.0157083207.

Adding to 1003050221 its reverse (1220503001), we get a palindrome (2223553222).

The spelling of 1003050221 in words is "one billion, three million, fifty thousand, two hundred twenty-one".