1004425403 has 2 divisors, whose sum is σ = 1004425404. Its totient is φ = 1004425402.

The previous prime is 1004425379. The next prime is 1004425441. The reversal of 1004425403 is 3045244001.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1004425403 is a prime.

It is not a weakly prime, because it can be changed into another prime (1004425453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502212701 + 502212702.

It is an arithmetic number, because the mean of its divisors is an integer number (502212702).

Almost surely, 2^1004425403 is an apocalyptic number.

1004425403 is a deficient number, since it is larger than the sum of its proper divisors (1).

1004425403 is an equidigital number, since it uses as much as digits as its factorization.

1004425403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 1004425403 is about 31692.6711244098. The cubic root of 1004425403 is about 1001.4729636462.

Adding to 1004425403 its reverse (3045244001), we get a palindrome (4049669404).

The spelling of 1004425403 in words is "one billion, four million, four hundred twenty-five thousand, four hundred three".