1005250297 has 2 divisors, whose sum is σ = 1005250298. Its totient is φ = 1005250296.

The previous prime is 1005250277. The next prime is 1005250313. The reversal of 1005250297 is 7920525001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 886788841 + 118461456 = 29779^2 + 10884^2 .

It is an emirp because it is prime and its reverse (7920525001) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1005250297 is a prime.

It is not a weakly prime, because it can be changed into another prime (1005250247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502625148 + 502625149.

It is an arithmetic number, because the mean of its divisors is an integer number (502625149).

Almost surely, 2^1005250297 is an apocalyptic number.

It is an amenable number.

1005250297 is a deficient number, since it is larger than the sum of its proper divisors (1).

1005250297 is an equidigital number, since it uses as much as digits as its factorization.

1005250297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 1005250297 is about 31705.6824086787. The cubic root of 1005250297 is about 1001.7470450561.

Adding to 1005250297 its reverse (7920525001), we get a palindrome (8925775298).

The spelling of 1005250297 in words is "one billion, five million, two hundred fifty thousand, two hundred ninety-seven".