486635521 has 2 divisors, whose sum is σ = 486635522. Its totient is φ = 486635520.

The previous prime is 486635483. The next prime is 486635531. The reversal of 486635521 is 125536684.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 420701121 + 65934400 = 20511^2 + 8120^2 .

It is a cyclic number.

It is not a de Polignac number, because 486635521 - 2⁷ = 486635393 is a prime.

It is not a weakly prime, because it can be changed into another prime (486635531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243317760 + 243317761.

It is an arithmetic number, because the mean of its divisors is an integer number (243317761).

Almost surely, 2^486635521 is an apocalyptic number.

It is an amenable number.

486635521 is a deficient number, since it is larger than the sum of its proper divisors (1).

486635521 is an equidigital number, since it uses as much as digits as its factorization.

486635521 is an evil number, because the sum of its binary digits is even.

The product of its digits is 172800, while the sum is 40.

The square root of 486635521 is about 22059.8168850061. The cubic root of 486635521 is about 786.5649719120.

The spelling of 486635521 in words is "four hundred eighty-six million, six hundred thirty-five thousand, five hundred twenty-one".