561632341 has 4 divisors (see below), whose sum is σ = 561680352. Its totient is φ = 561584332.

The previous prime is 561632333. The next prime is 561632353. The reversal of 561632341 is 143236165.

561632341 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 a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 561632341 - 2³ = 561632333 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 (561632371) 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, 6270 + ... + 34096.

It is an arithmetic number, because the mean of its divisors is an integer number (140420088).

Almost surely, 2^561632341 is an apocalyptic number.

It is an amenable number.

561632341 is a deficient number, since it is larger than the sum of its proper divisors (48011).

561632341 is a wasteful number, since it uses less digits than its factorization.

561632341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48010.

The product of its digits is 12960, while the sum is 31.

The square root of 561632341 is about 23698.7835341817. The cubic root of 561632341 is about 825.0571572276.

The spelling of 561632341 in words is "five hundred sixty-one million, six hundred thirty-two thousand, three hundred forty-one".