1046561003 has 4 divisors (see below), whose sum is σ = 1047297888. Its totient is φ = 1045824120.

The previous prime is 1046560981. The next prime is 1046561029. The reversal of 1046561003 is 3001656401.

1046561003 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 1046561003 - 2⁸ = 1046560747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1046561053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 366308 + ... + 369153.

It is an arithmetic number, because the mean of its divisors is an integer number (261824472).

Almost surely, 2^1046561003 is an apocalyptic number.

1046561003 is a deficient number, since it is larger than the sum of its proper divisors (736885).

1046561003 is an equidigital number, since it uses as much as digits as its factorization.

1046561003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 736884.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 1046561003 is about 32350.5950949901. The cubic root of 1046561003 is about 1015.2854974342.

The spelling of 1046561003 in words is "one billion, forty-six million, five hundred sixty-one thousand, three".