1005426473 has 4 divisors (see below), whose sum is σ = 1028808528. Its totient is φ = 982044420.

The previous prime is 1005426467. The next prime is 1005426479. The reversal of 1005426473 is 3746245001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (1005426467) and next prime (1005426479).

It is a cyclic number.

It is not a de Polignac number, because 1005426473 - 2²⁴ = 988649257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1005426479) 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 in 3 ways as a sum of consecutive naturals, for example, 11690963 + ... + 11691048.

It is an arithmetic number, because the mean of its divisors is an integer number (257202132).

Almost surely, 2^1005426473 is an apocalyptic number.

It is an amenable number.

1005426473 is a deficient number, since it is larger than the sum of its proper divisors (23382055).

1005426473 is an equidigital number, since it uses as much as digits as its factorization.

1005426473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23382054.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 1005426473 is about 31708.4605901958. The cubic root of 1005426473 is about 1001.8055623160.

The spelling of 1005426473 in words is "one billion, five million, four hundred twenty-six thousand, four hundred seventy-three".