561002 has 8 divisors (see below), whose sum is σ = 906276. Its totient is φ = 258912.

The previous prime is 560977. The next prime is 561019. The reversal of 561002 is 200165.

561002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 749²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 561001 + 1 = 749^2 + 1^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10763 + ... + 10814.

2⁵⁶¹⁰⁰² is an apocalyptic number.

561002 is a deficient number, since it is larger than the sum of its proper divisors (345274).

561002 is a wasteful number, since it uses less digits than its factorization.

561002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21592.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 561002 is about 749.0006675564. Note that the first 3 decimals coincide. The cubic root of 561002 is about 82.4748377503.

Adding to 561002 its reverse (200165), we get a palindrome (761167).

The spelling of 561002 in words is "five hundred sixty-one thousand, two".