481280851 has 4 divisors (see below), whose sum is σ = 485070592. Its totient is φ = 477491112.

The previous prime is 481280843. The next prime is 481280869. The reversal of 481280851 is 158082184.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 481280851 - 2³ = 481280843 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 481280851.

It is not an unprimeable number, because it can be changed into a prime (481280881) 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 in 3 ways as a sum of consecutive naturals, for example, 1894680 + ... + 1894933.

It is an arithmetic number, because the mean of its divisors is an integer number (121267648).

Almost surely, 2^481280851 is an apocalyptic number.

481280851 is a deficient number, since it is larger than the sum of its proper divisors (3789741).

481280851 is a wasteful number, since it uses less digits than its factorization.

481280851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3789740.

The product of its (nonzero) digits is 20480, while the sum is 37.

The square root of 481280851 is about 21938.1141167604. The cubic root of 481280851 is about 783.6693488670.

The spelling of 481280851 in words is "four hundred eighty-one million, two hundred eighty thousand, eight hundred fifty-one".