561002626 has 16 divisors (see below), whose sum is σ = 887068800. Its totient is φ = 265355568.

The previous prime is 561002623. The next prime is 561002633. The reversal of 561002626 is 626200165.

It is a junction number, because it is equal to n+sod(n) for n = 561002594 and 561002603.

It is not an unprimeable number, because it can be changed into a prime (561002623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17056 + ... + 37588.

It is an arithmetic number, because the mean of its divisors is an integer number (55441800).

Almost surely, 2^561002626 is an apocalyptic number.

561002626 is a deficient number, since it is larger than the sum of its proper divisors (326066174).

561002626 is a wasteful number, since it uses less digits than its factorization.

561002626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21273.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 561002626 is about 23685.4939994926. The cubic root of 561002626 is about 824.7486842710.

The spelling of 561002626 in words is "five hundred sixty-one million, two thousand, six hundred twenty-six".