480987161 has 4 divisors (see below), whose sum is σ = 493986852. Its totient is φ = 467987472.

The previous prime is 480987151. The next prime is 480987167. The reversal of 480987161 is 161789084.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 336025561 + 144961600 = 18331^2 + 12040^2 .

It is a cyclic number.

It is not a de Polignac number, because 480987161 - 2⁶ = 480987097 is a prime.

It is a super-3 number, since 3×480987161³ (a number of 27 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (480987167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6499790 + ... + 6499863.

It is an arithmetic number, because the mean of its divisors is an integer number (123496713).

Almost surely, 2^480987161 is an apocalyptic number.

It is an amenable number.

480987161 is a deficient number, since it is larger than the sum of its proper divisors (12999691).

480987161 is a wasteful number, since it uses less digits than its factorization.

480987161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12999690.

The product of its (nonzero) digits is 96768, while the sum is 44.

The square root of 480987161 is about 21931.4194935029. The cubic root of 480987161 is about 783.5099113424.

The spelling of 480987161 in words is "four hundred eighty million, nine hundred eighty-seven thousand, one hundred sixty-one".