561002217 has 8 divisors (see below), whose sum is σ = 748186560. Its totient is φ = 373909680.

The previous prime is 561002201. The next prime is 561002237. The reversal of 561002217 is 712200165.

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

It is not a de Polignac number, because 561002217 - 2⁴ = 561002201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (561002237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7134 + ... + 34247.

It is an arithmetic number, because the mean of its divisors is an integer number (93523320).

Almost surely, 2^561002217 is an apocalyptic number.

It is an amenable number.

561002217 is a deficient number, since it is larger than the sum of its proper divisors (187184343).

561002217 is a wasteful number, since it uses less digits than its factorization.

561002217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45903.

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 561002217 is about 23685.4853655145. The cubic root of 561002217 is about 824.7484838428.

The spelling of 561002217 in words is "five hundred sixty-one million, two thousand, two hundred seventeen".