561832343 has 4 divisors (see below), whose sum is σ = 561880848. Its totient is φ = 561783840.

The previous prime is 561832331. The next prime is 561832361. The reversal of 561832343 is 343238165.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 343238165 = 5 ⋅68647633.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-561832343 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561832393) 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, 4430 + ... + 33812.

It is an arithmetic number, because the mean of its divisors is an integer number (140470212).

Almost surely, 2^561832343 is an apocalyptic number.

561832343 is a deficient number, since it is larger than the sum of its proper divisors (48505).

561832343 is a wasteful number, since it uses less digits than its factorization.

561832343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48504.

The product of its digits is 51840, while the sum is 35.

The square root of 561832343 is about 23703.0028266462. The cubic root of 561832343 is about 825.1550822020.

The spelling of 561832343 in words is "five hundred sixty-one million, eight hundred thirty-two thousand, three hundred forty-three".