561632005 has 8 divisors (see below), whose sum is σ = 735227424. Its totient is φ = 408459600.

The previous prime is 561631969. The next prime is 561632017. The reversal of 561632005 is 500236165.

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

It is not a de Polignac number, because 561632005 - 2⁹ = 561631493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5105691 + ... + 5105800.

It is an arithmetic number, because the mean of its divisors is an integer number (91903428).

Almost surely, 2^561632005 is an apocalyptic number.

561632005 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

561632005 is a deficient number, since it is larger than the sum of its proper divisors (173595419).

561632005 is a wasteful number, since it uses less digits than its factorization.

561632005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10211507.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 561632005 is about 23698.7764452091. The cubic root of 561632005 is about 825.0569926957.

The spelling of 561632005 in words is "five hundred sixty-one million, six hundred thirty-two thousand, five".