561103434 has 12 divisors (see below), whose sum is σ = 1215724146. Its totient is φ = 187034472.

The previous prime is 561103429. The next prime is 561103447. The reversal of 561103434 is 434301165.

561103434 is a `hidden beast` number, since 5 + 611 + 0 + 3 + 43 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 292307409 + 268796025 = 17097^2 + 16395^2 .

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 561103398 and 561103407.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15586189 + ... + 15586224.

Almost surely, 2^561103434 is an apocalyptic number.

561103434 is an abundant number, since it is smaller than the sum of its proper divisors (654620712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

561103434 is a wasteful number, since it uses less digits than its factorization.

561103434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31172421 (or 31172418 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 561103434 is about 23687.6219574697. The cubic root of 561103434 is about 824.7980817141.

Adding to 561103434 its reverse (434301165), we get a palindrome (995404599).

The spelling of 561103434 in words is "five hundred sixty-one million, one hundred three thousand, four hundred thirty-four".