561642052 has 12 divisors (see below), whose sum is σ = 1034603920. Its totient is φ = 266040936.

The previous prime is 561642019. The next prime is 561642061. The reversal of 561642052 is 250246165.

561642052 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 3694938 + ... + 3695089.

Almost surely, 2^561642052 is an apocalyptic number.

It is an amenable number.

561642052 is a deficient number, since it is larger than the sum of its proper divisors (472961868).

561642052 is a wasteful number, since it uses less digits than its factorization.

561642052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7390050 (or 7390048 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 561642052 is about 23698.9884172300. The cubic root of 561642052 is about 825.0619124641.

The spelling of 561642052 in words is "five hundred sixty-one million, six hundred forty-two thousand, fifty-two".