561110492 has 6 divisors (see below), whose sum is σ = 981943368. Its totient is φ = 280555244.

The previous prime is 561110491. The next prime is 561110497. The reversal of 561110492 is 294011165.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561110491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70138808 + ... + 70138815.

It is an arithmetic number, because the mean of its divisors is an integer number (163657228).

Almost surely, 2^561110492 is an apocalyptic number.

It is an amenable number.

561110492 is a deficient number, since it is larger than the sum of its proper divisors (420832876).

561110492 is a wasteful number, since it uses less digits than its factorization.

561110492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140277627 (or 140277625 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 561110492 is about 23687.7709377645. The cubic root of 561110492 is about 824.8015400191.

The spelling of 561110492 in words is "five hundred sixty-one million, one hundred ten thousand, four hundred ninety-two".