1004061217 has 2 divisors, whose sum is σ = 1004061218. Its totient is φ = 1004061216.

The previous prime is 1004061131. The next prime is 1004061257. The reversal of 1004061217 is 7121604001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 994519296 + 9541921 = 31536^2 + 3089^2 .

It is an emirp because it is prime and its reverse (7121604001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1004061217 - 2¹¹ = 1004059169 is a prime.

It is not a weakly prime, because it can be changed into another prime (1004061257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502030608 + 502030609.

It is an arithmetic number, because the mean of its divisors is an integer number (502030609).

Almost surely, 2^1004061217 is an apocalyptic number.

It is an amenable number.

1004061217 is a deficient number, since it is larger than the sum of its proper divisors (1).

1004061217 is an equidigital number, since it uses as much as digits as its factorization.

1004061217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 1004061217 is about 31686.9250164796. The cubic root of 1004061217 is about 1001.3519105143.

Adding to 1004061217 its reverse (7121604001), we get a palindrome (8125665218).

The spelling of 1004061217 in words is "one billion, four million, sixty-one thousand, two hundred seventeen".