1030504217 has 2 divisors, whose sum is σ = 1030504218. Its totient is φ = 1030504216.

The previous prime is 1030504199. The next prime is 1030504219. The reversal of 1030504217 is 7124050301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 642571801 + 387932416 = 25349^2 + 19696^2 .

It is a cyclic number.

It is not a de Polignac number, because 1030504217 - 2⁸ = 1030503961 is a prime.

Together with 1030504219, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1030504192 and 1030504201.

It is not a weakly prime, because it can be changed into another prime (1030504219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515252108 + 515252109.

It is an arithmetic number, because the mean of its divisors is an integer number (515252109).

Almost surely, 2^1030504217 is an apocalyptic number.

It is an amenable number.

1030504217 is a deficient number, since it is larger than the sum of its proper divisors (1).

1030504217 is an equidigital number, since it uses as much as digits as its factorization.

1030504217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 1030504217 is about 32101.4675209717. The cubic root of 1030504217 is about 1010.0663999087.

Adding to 1030504217 its reverse (7124050301), we get a palindrome (8154554518).

The spelling of 1030504217 in words is "one billion, thirty million, five hundred four thousand, two hundred seventeen".