561652219 has 2 divisors, whose sum is σ = 561652220. Its totient is φ = 561652218.

The previous prime is 561652207. The next prime is 561652243. The reversal of 561652219 is 912256165.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 561652219 - 2²¹ = 559555067 is a prime.

It is a super-2 number, since 2×561652219² = 630906430215247922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (561602219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280826109 + 280826110.

It is an arithmetic number, because the mean of its divisors is an integer number (280826110).

Almost surely, 2^561652219 is an apocalyptic number.

561652219 is a deficient number, since it is larger than the sum of its proper divisors (1).

561652219 is an equidigital number, since it uses as much as digits as its factorization.

561652219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32400, while the sum is 37.

The square root of 561652219 is about 23699.2029190857. The cubic root of 561652219 is about 825.0668909339.

The spelling of 561652219 in words is "five hundred sixty-one million, six hundred fifty-two thousand, two hundred nineteen".