1004427617 has 2 divisors, whose sum is σ = 1004427618. Its totient is φ = 1004427616.

The previous prime is 1004427601. The next prime is 1004427629. The reversal of 1004427617 is 7167244001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 719526976 + 284900641 = 26824^2 + 16879^2 .

It is an emirp because it is prime and its reverse (7167244001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1004427617 - 2⁴ = 1004427601 is a prime.

It is not a weakly prime, because it can be changed into another prime (1004427667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502213808 + 502213809.

It is an arithmetic number, because the mean of its divisors is an integer number (502213809).

Almost surely, 2^1004427617 is an apocalyptic number.

It is an amenable number.

1004427617 is a deficient number, since it is larger than the sum of its proper divisors (1).

1004427617 is an equidigital number, since it uses as much as digits as its factorization.

1004427617 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 1004427617 is about 31692.7060536017. The cubic root of 1004427617 is about 1001.4736994763.

The spelling of 1004427617 in words is "one billion, four million, four hundred twenty-seven thousand, six hundred seventeen".