561512704 has 36 divisors (see below), whose sum is σ = 1122360400. Its totient is φ = 280373760.

The previous prime is 561512663. The next prime is 561512723. The reversal of 561512704 is 407215165.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 329647 + ... + 331345.

Almost surely, 2^561512704 is an apocalyptic number.

It is an amenable number.

561512704 is a deficient number, since it is larger than the sum of its proper divisors (560847696).

561512704 is a wasteful number, since it uses less digits than its factorization.

561512704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3006 (or 2992 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 561512704 is about 23696.2592828488. The cubic root of 561512704 is about 824.9985694496.

Adding to 561512704 its reverse (407215165), we get a palindrome (968727869).

The spelling of 561512704 in words is "five hundred sixty-one million, five hundred twelve thousand, seven hundred four".