561924382 has 4 divisors (see below), whose sum is σ = 842886576. Its totient is φ = 280962190.

The previous prime is 561924371. The next prime is 561924413. The reversal of 561924382 is 283429165.

561924382 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 283429165 = 5 ⋅56685833.

It is a super-2 number, since 2×561924382² = 631518022172163848, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140481094 + ... + 140481097.

It is an arithmetic number, because the mean of its divisors is an integer number (210721644).

Almost surely, 2^561924382 is an apocalyptic number.

561924382 is a deficient number, since it is larger than the sum of its proper divisors (280962194).

561924382 is a wasteful number, since it uses less digits than its factorization.

561924382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280962193.

The product of its digits is 103680, while the sum is 40.

The square root of 561924382 is about 23704.9442522019. The cubic root of 561924382 is about 825.2001385270.

The spelling of 561924382 in words is "five hundred sixty-one million, nine hundred twenty-four thousand, three hundred eighty-two".