485240621 has 2 divisors, whose sum is σ = 485240622. Its totient is φ = 485240620.

The previous prime is 485240597. The next prime is 485240687. The reversal of 485240621 is 126042584.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 437437225 + 47803396 = 20915^2 + 6914^2 .

It is a cyclic number.

It is not a de Polignac number, because 485240621 - 2²⁶ = 418131757 is a prime.

It is a Sophie Germain prime.

It is a Chen 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 (485242621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 242620310 + 242620311.

It is an arithmetic number, because the mean of its divisors is an integer number (242620311).

Almost surely, 2^485240621 is an apocalyptic number.

It is an amenable number.

485240621 is a deficient number, since it is larger than the sum of its proper divisors (1).

485240621 is an equidigital number, since it uses as much as digits as its factorization.

485240621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 485240621 is about 22028.1778865162. The cubic root of 485240621 is about 785.8127117988.

The spelling of 485240621 in words is "four hundred eighty-five million, two hundred forty thousand, six hundred twenty-one".