1000481 has 8 divisors (see below), whose sum is σ = 1045440. Its totient is φ = 956592.

The previous prime is 1000457. The next prime is 1000507. The reversal of 1000481 is 1840001.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1000481 is a prime.

It is a super-4 number, since 4×1000481⁴ (a number of 25 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is an Ulam number.

It is a Duffinian number.

1000481 is a modest number, since divided by 481 gives 1 as remainder.

It is a Curzon number.

It is a plaindrome in base 7.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (1000081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2060 + ... + 2498.

It is an arithmetic number, because the mean of its divisors is an integer number (130680).

2^1000481 is an apocalyptic number.

It is an amenable number.

1000481 is a deficient number, since it is larger than the sum of its proper divisors (44959).

1000481 is an equidigital number, since it uses as much as digits as its factorization.

1000481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 1000481 is about 1000.2404710868. The cubic root of 1000481 is about 100.0160307633.

Adding to 1000481 its reverse (1840001), we get a palindrome (2840482).

The spelling of 1000481 in words is "one million, four hundred eighty-one", and thus it is an aban number.