561411042 has 8 divisors (see below), whose sum is σ = 1122822096. Its totient is φ = 187137012.

The previous prime is 561411017. The next prime is 561411049. The reversal of 561411042 is 240114165.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

561411042 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (561411049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46784248 + ... + 46784259.

It is an arithmetic number, because the mean of its divisors is an integer number (140352762).

Almost surely, 2^561411042 is an apocalyptic number.

561411042 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

561411042 is a wasteful number, since it uses less digits than its factorization.

561411042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93568512.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 561411042 is about 23694.1140792392. The cubic root of 561411042 is about 824.9487777197.

The spelling of 561411042 in words is "five hundred sixty-one million, four hundred eleven thousand, forty-two".