1003145617 has 2 divisors, whose sum is σ = 1003145618. Its totient is φ = 1003145616.

The previous prime is 1003145609. The next prime is 1003145623. The reversal of 1003145617 is 7165413001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 859721041 + 143424576 = 29321^2 + 11976^2 .

It is a cyclic number.

It is not a de Polignac number, because 1003145617 - 2³ = 1003145609 is a prime.

It is a super-2 number, since 2×1003145617² = 2012602257812621378, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1003145677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501572808 + 501572809.

It is an arithmetic number, because the mean of its divisors is an integer number (501572809).

Almost surely, 2^1003145617 is an apocalyptic number.

It is an amenable number.

1003145617 is a deficient number, since it is larger than the sum of its proper divisors (1).

1003145617 is an equidigital number, since it uses as much as digits as its factorization.

1003145617 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 1003145617 is about 31672.4741218617. The cubic root of 1003145617 is about 1001.0474414833.

Adding to 1003145617 its reverse (7165413001), we get a palindrome (8168558618).

The spelling of 1003145617 in words is "one billion, three million, one hundred forty-five thousand, six hundred seventeen".