1004475427 has 2 divisors, whose sum is σ = 1004475428. Its totient is φ = 1004475426.

The previous prime is 1004475391. The next prime is 1004475431. The reversal of 1004475427 is 7245744001.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1004475427 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1004475392 and 1004475401.

It is not a weakly prime, because it can be changed into another prime (1004475487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502237713 + 502237714.

It is an arithmetic number, because the mean of its divisors is an integer number (502237714).

Almost surely, 2^1004475427 is an apocalyptic number.

1004475427 is a deficient number, since it is larger than the sum of its proper divisors (1).

1004475427 is an equidigital number, since it uses as much as digits as its factorization.

1004475427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31360, while the sum is 34.

The square root of 1004475427 is about 31693.4603191258. The cubic root of 1004475427 is about 1001.4895890228.

The spelling of 1004475427 in words is "one billion, four million, four hundred seventy-five thousand, four hundred twenty-seven".