561182493 has 8 divisors (see below), whose sum is σ = 760509856. Its totient is φ = 367988400.

The previous prime is 561182459. The next prime is 561182507. The reversal of 561182493 is 394281165.

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

It is not a de Polignac number, because 561182493 - 2¹⁰ = 561181469 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561182093) 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 in 7 ways as a sum of consecutive naturals, for example, 1533103 + ... + 1533468.

It is an arithmetic number, because the mean of its divisors is an integer number (95063732).

Almost surely, 2^561182493 is an apocalyptic number.

It is an amenable number.

561182493 is a deficient number, since it is larger than the sum of its proper divisors (199327363).

561182493 is a wasteful number, since it uses less digits than its factorization.

561182493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3066635.

The product of its digits is 51840, while the sum is 39.

The square root of 561182493 is about 23689.2906816561. The cubic root of 561182493 is about 824.8368176793.

The spelling of 561182493 in words is "five hundred sixty-one million, one hundred eighty-two thousand, four hundred ninety-three".