485355561 has 16 divisors (see below), whose sum is σ = 670076928. Its totient is φ = 312166800.

The previous prime is 485355523. The next prime is 485355569. The reversal of 485355561 is 165553584.

It is a happy number.

It is not a de Polignac number, because 485355561 - 2²⁷ = 351137833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (485355569) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22900 + ... + 38666.

It is an arithmetic number, because the mean of its divisors is an integer number (41879808).

Almost surely, 2^485355561 is an apocalyptic number.

It is an amenable number.

485355561 is a deficient number, since it is larger than the sum of its proper divisors (184721367).

485355561 is a wasteful number, since it uses less digits than its factorization.

485355561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16132.

The product of its digits is 360000, while the sum is 42.

The square root of 485355561 is about 22030.7866632129. The cubic root of 485355561 is about 785.8747526218.

The spelling of 485355561 in words is "four hundred eighty-five million, three hundred fifty-five thousand, five hundred sixty-one".