561577084 has 6 divisors (see below), whose sum is σ = 982759904. Its totient is φ = 280788540.

The previous prime is 561577067. The next prime is 561577139. The reversal of 561577084 is 480775165.

It is a self number, because there is not a number n which added to its sum of digits gives 561577084.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70197132 + ... + 70197139.

Almost surely, 2^561577084 is an apocalyptic number.

It is an amenable number.

561577084 is a deficient number, since it is larger than the sum of its proper divisors (421182820).

561577084 is a wasteful number, since it uses less digits than its factorization.

561577084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140394275 (or 140394273 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 43.

The square root of 561577084 is about 23697.6176861726. The cubic root of 561577084 is about 825.0300981979.

The spelling of 561577084 in words is "five hundred sixty-one million, five hundred seventy-seven thousand, eighty-four".