486534221 has 2 divisors, whose sum is σ = 486534222. Its totient is φ = 486534220.

The previous prime is 486534193. The next prime is 486534227. The reversal of 486534221 is 122435684.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 252015625 + 234518596 = 15875^2 + 15314^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-486534221 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (486534227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243267110 + 243267111.

It is an arithmetic number, because the mean of its divisors is an integer number (243267111).

Almost surely, 2^486534221 is an apocalyptic number.

It is an amenable number.

486534221 is a deficient number, since it is larger than the sum of its proper divisors (1).

486534221 is an equidigital number, since it uses as much as digits as its factorization.

486534221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46080, while the sum is 35.

The square root of 486534221 is about 22057.5207355677. The cubic root of 486534221 is about 786.5103899523.

The spelling of 486534221 in words is "four hundred eighty-six million, five hundred thirty-four thousand, two hundred twenty-one".