561078562 has 8 divisors (see below), whose sum is σ = 918128592. Its totient is φ = 255035700.

The previous prime is 561078541. The next prime is 561078571. The reversal of 561078562 is 265870165.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12751764 + ... + 12751807.

It is an arithmetic number, because the mean of its divisors is an integer number (114766074).

Almost surely, 2^561078562 is an apocalyptic number.

561078562 is a deficient number, since it is larger than the sum of its proper divisors (357050030).

561078562 is a wasteful number, since it uses less digits than its factorization.

561078562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25503584.

The product of its (nonzero) digits is 100800, while the sum is 40.

The square root of 561078562 is about 23687.0969517161. The cubic root of 561078562 is about 824.7858946082.

The spelling of 561078562 in words is "five hundred sixty-one million, seventy-eight thousand, five hundred sixty-two".