1000555573 has 2 divisors, whose sum is σ = 1000555574. Its totient is φ = 1000555572.

The previous prime is 1000555559. The next prime is 1000555613. The reversal of 1000555573 is 3755550001.

1000555573 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 987027889 + 13527684 = 31417^2 + 3678^2 .

It is a cyclic number.

It is not a de Polignac number, because 1000555573 - 2⁵ = 1000555541 is a prime.

It is a super-2 number, since 2×1000555573² = 2002222909322716658, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1000555973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500277786 + 500277787.

It is an arithmetic number, because the mean of its divisors is an integer number (500277787).

Almost surely, 2^1000555573 is an apocalyptic number.

It is an amenable number.

1000555573 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000555573 is an equidigital number, since it uses as much as digits as its factorization.

1000555573 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13125, while the sum is 31.

The square root of 1000555573 is about 31631.5597623639. The cubic root of 1000555573 is about 1000.1851567149.

The spelling of 1000555573 in words is "one billion, five hundred fifty-five thousand, five hundred seventy-three".