1000550 has 12 divisors (see below), whose sum is σ = 1861116. Its totient is φ = 400200.

The previous prime is 1000547. The next prime is 1000577. The reversal of 1000550 is 550001.

1000550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1000550² = 2002200605000, which contains 22 as substring.

It is a hoax number, since the sum of its digits (11) coincides with the sum of the digits of its distinct prime factors.

1000550 is a modest number, since divided by 550 gives 100 as remainder.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9956 + ... + 10055.

It is an arithmetic number, because the mean of its divisors is an integer number (155093).

2^1000550 is an apocalyptic number.

1000550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1000550 is a deficient number, since it is larger than the sum of its proper divisors (860566).

1000550 is a wasteful number, since it uses less digits than its factorization.

1000550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20023 (or 20018 counting only the distinct ones).

The product of its (nonzero) digits is 25, while the sum is 11.

The square root of 1000550 is about 1000.2749621979. The cubic root of 1000550 is about 100.0183299732.

Adding to 1000550 its reverse (550001), we get a palindrome (1550551).

The spelling of 1000550 in words is "one million, five hundred fifty", and thus it is an aban number.