1000554 has 16 divisors (see below), whose sum is σ = 2055648. Its totient is φ = 324432.

The previous prime is 1000547. The next prime is 1000577. The reversal of 1000554 is 4550001.

1000554 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 2×1000554² = 2002216613832, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2032 + ... + 2475.

It is an arithmetic number, because the mean of its divisors is an integer number (128478).

2^1000554 is an apocalyptic number.

1000554 is an abundant number, since it is smaller than the sum of its proper divisors (1055094).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1000554 is a wasteful number, since it uses less digits than its factorization.

1000554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4549.

The product of its (nonzero) digits is 100, while the sum is 15.

The square root of 1000554 is about 1000.2769616461. The cubic root of 1000554 is about 100.0184632575.

Adding to 1000554 its reverse (4550001), we get a palindrome (5550555).

The spelling of 1000554 in words is "one million, five hundred fifty-four", and thus it is an aban number.