485780561 has 6 divisors (see below), whose sum is σ = 565091730. Its totient is φ = 416383296.

The previous prime is 485780557. The next prime is 485780573. The reversal of 485780561 is 165087584.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 483120400 + 2660161 = 21980^2 + 1631^2 .

It is not a de Polignac number, because 485780561 - 2² = 485780557 is a prime.

It is not an unprimeable number, because it can be changed into a prime (485780521) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4956896 + ... + 4956993.

It is an arithmetic number, because the mean of its divisors is an integer number (94181955).

Almost surely, 2^485780561 is an apocalyptic number.

It is an amenable number.

485780561 is a deficient number, since it is larger than the sum of its proper divisors (79311169).

485780561 is an equidigital number, since it uses as much as digits as its factorization.

485780561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9913903 (or 9913896 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 44.

The square root of 485780561 is about 22040.4301455303. The cubic root of 485780561 is about 786.1040685820.

The spelling of 485780561 in words is "four hundred eighty-five million, seven hundred eighty thousand, five hundred sixty-one".