485573551 has 2 divisors, whose sum is σ = 485573552. Its totient is φ = 485573550.

The previous prime is 485573549. The next prime is 485573573. The reversal of 485573551 is 155375584.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 485573551 - 2¹ = 485573549 is a prime.

Together with 485573549, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 485573498 and 485573507.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (485573581) 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, 242786775 + 242786776.

It is an arithmetic number, because the mean of its divisors is an integer number (242786776).

Almost surely, 2^485573551 is an apocalyptic number.

485573551 is a deficient number, since it is larger than the sum of its proper divisors (1).

485573551 is an equidigital number, since it uses as much as digits as its factorization.

485573551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 420000, while the sum is 43.

The square root of 485573551 is about 22035.7335026543. The cubic root of 485573551 is about 785.9923895393.

The spelling of 485573551 in words is "four hundred eighty-five million, five hundred seventy-three thousand, five hundred fifty-one".