561283376 has 20 divisors (see below), whose sum is σ = 1087864152. Its totient is φ = 280544256.

The previous prime is 561283369. The next prime is 561283403. The reversal of 561283376 is 673382165.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

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, 71015 + ... + 78521.

Almost surely, 2^561283376 is an apocalyptic number.

It is an amenable number.

561283376 is a deficient number, since it is larger than the sum of its proper divisors (526580776).

561283376 is a wasteful number, since it uses less digits than its factorization.

561283376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12188 (or 12182 counting only the distinct ones).

The product of its digits is 181440, while the sum is 41.

The square root of 561283376 is about 23691.4198814676. The cubic root of 561283376 is about 824.8862413088.

It can be divided in two parts, 5612 and 83376, that added together give a palindrome (88988).

The spelling of 561283376 in words is "five hundred sixty-one million, two hundred eighty-three thousand, three hundred seventy-six".