1004426281 has 4 divisors (see below), whose sum is σ = 1039061700. Its totient is φ = 969790864.

The previous prime is 1004426263. The next prime is 1004426333. The reversal of 1004426281 is 1826244001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 792985600 + 211440681 = 28160^2 + 14541^2 .

It is a cyclic number.

It is not a de Polignac number, because 1004426281 - 2⁷ = 1004426153 is a prime.

It is a super-2 number, since 2×1004426281² = 2017744307926981922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1004426251) 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 in 3 ways as a sum of consecutive naturals, for example, 17317666 + ... + 17317723.

It is an arithmetic number, because the mean of its divisors is an integer number (259765425).

Almost surely, 2^1004426281 is an apocalyptic number.

It is an amenable number.

1004426281 is a deficient number, since it is larger than the sum of its proper divisors (34635419).

1004426281 is an equidigital number, since it uses as much as digits as its factorization.

1004426281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34635418.

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 1004426281 is about 31692.6849761897. The cubic root of 1004426281 is about 1001.4732554525.

The spelling of 1004426281 in words is "one billion, four million, four hundred twenty-six thousand, two hundred eighty-one".