486536221 has 2 divisors, whose sum is σ = 486536222. Its totient is φ = 486536220.

The previous prime is 486536213. The next prime is 486536251. The reversal of 486536221 is 122635684.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 286624900 + 199911321 = 16930^2 + 14139^2 .

It is a cyclic number.

It is not a de Polignac number, because 486536221 - 2³ = 486536213 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (486536201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243268110 + 243268111.

It is an arithmetic number, because the mean of its divisors is an integer number (243268111).

Almost surely, 2^486536221 is an apocalyptic number.

It is an amenable number.

486536221 is a deficient number, since it is larger than the sum of its proper divisors (1).

486536221 is an equidigital number, since it uses as much as digits as its factorization.

486536221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69120, while the sum is 37.

The square root of 486536221 is about 22057.5660715320. The cubic root of 486536221 is about 786.5114676557.

The spelling of 486536221 in words is "four hundred eighty-six million, five hundred thirty-six thousand, two hundred twenty-one".