1005000473 has 2 divisors, whose sum is σ = 1005000474. Its totient is φ = 1005000472.

The previous prime is 1005000467. The next prime is 1005000547. The reversal of 1005000473 is 3740005001.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 991809049 + 13191424 = 31493^2 + 3632^2 .

It is a cyclic number.

It is not a de Polignac number, because 1005000473 - 2²⁶ = 937891609 is a prime.

It is not a weakly prime, because it can be changed into another prime (1005000173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502500236 + 502500237.

It is an arithmetic number, because the mean of its divisors is an integer number (502500237).

Almost surely, 2^1005000473 is an apocalyptic number.

It is an amenable number.

1005000473 is a deficient number, since it is larger than the sum of its proper divisors (1).

1005000473 is an equidigital number, since it uses as much as digits as its factorization.

1005000473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 1005000473 is about 31701.7424284534. The cubic root of 1005000473 is about 1001.6640537226.

Adding to 1005000473 its reverse (3740005001), we get a palindrome (4745005474).

The spelling of 1005000473 in words is "one billion, five million, four hundred seventy-three", and thus it is an aban number.