561834029 has 4 divisors (see below), whose sum is σ = 575537340. Its totient is φ = 548130720.

The previous prime is 561833989. The next prime is 561834043. The reversal of 561834029 is 920438165.

It is a happy number.

561834029 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: 920438165 = 5 ⋅184087633.

It can be written as a sum of positive squares in 2 ways, for example, as 121044004 + 440790025 = 11002^2 + 20995^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-561834029 is a prime.

It is a super-2 number, since 2×561834029² = 631314952284745682, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 561833983 and 561834001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561834089) 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, 6851594 + ... + 6851675.

It is an arithmetic number, because the mean of its divisors is an integer number (143884335).

Almost surely, 2^561834029 is an apocalyptic number.

It is an amenable number.

561834029 is a deficient number, since it is larger than the sum of its proper divisors (13703311).

561834029 is a wasteful number, since it uses less digits than its factorization.

561834029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13703310.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 561834029 is about 23703.0383917337. The cubic root of 561834029 is about 825.1559076025.

The spelling of 561834029 in words is "five hundred sixty-one million, eight hundred thirty-four thousand, twenty-nine".