561456424 has 8 divisors (see below), whose sum is σ = 1052730810. Its totient is φ = 280728208.

The previous prime is 561456409. The next prime is 561456431. The reversal of 561456424 is 424654165.

It can be written as a sum of positive squares in only one way, i.e., 554602500 + 6853924 = 23550^2 + 2618^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35091019 + ... + 35091034.

Almost surely, 2^561456424 is an apocalyptic number.

It is an amenable number.

561456424 is a deficient number, since it is larger than the sum of its proper divisors (491274386).

561456424 is a wasteful number, since it uses less digits than its factorization.

561456424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70182059 (or 70182055 counting only the distinct ones).

The product of its digits is 115200, while the sum is 37.

The square root of 561456424 is about 23695.0717238839. The cubic root of 561456424 is about 824.9710055314.

The spelling of 561456424 in words is "five hundred sixty-one million, four hundred fifty-six thousand, four hundred twenty-four".