561259834 has 8 divisors (see below), whose sum is σ = 844597728. Its totient is φ = 279727260.

The previous prime is 561259801. The next prime is 561259847. The reversal of 561259834 is 438952165.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 450552 + ... + 451795.

It is an arithmetic number, because the mean of its divisors is an integer number (105574716).

Almost surely, 2^561259834 is an apocalyptic number.

561259834 is a deficient number, since it is larger than the sum of its proper divisors (283337894).

561259834 is a wasteful number, since it uses less digits than its factorization.

561259834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 902660.

The product of its digits is 259200, while the sum is 43.

The square root of 561259834 is about 23690.9230297175. The cubic root of 561259834 is about 824.8747083683.

The spelling of 561259834 in words is "five hundred sixty-one million, two hundred fifty-nine thousand, eight hundred thirty-four".