480974981 has 4 divisors (see below), whose sum is σ = 481178700. Its totient is φ = 480771264.

The previous prime is 480974953. The next prime is 480974993. The reversal of 480974981 is 189479084.

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 330912481 + 150062500 = 18191^2 + 12250^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-480974981 is a prime.

It is a super-3 number, since 3×480974981³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (480974941) 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, 98276 + ... + 103053.

It is an arithmetic number, because the mean of its divisors is an integer number (120294675).

Almost surely, 2^480974981 is an apocalyptic number.

It is an amenable number.

480974981 is a deficient number, since it is larger than the sum of its proper divisors (203719).

480974981 is a wasteful number, since it uses less digits than its factorization.

480974981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203718.

The product of its (nonzero) digits is 580608, while the sum is 50.

The square root of 480974981 is about 21931.1418079406. The cubic root of 480974981 is about 783.5032976999.

The spelling of 480974981 in words is "four hundred eighty million, nine hundred seventy-four thousand, nine hundred eighty-one".