485279281 has 8 divisors (see below), whose sum is σ = 488616128. Its totient is φ = 481950000.

The previous prime is 485279279. The next prime is 485279317. The reversal of 485279281 is 182972584.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 485279281 - 2¹ = 485279279 is a prime.

It is a super-2 number, since 2×485279281² = 470991961135753922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (485279581) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188956 + ... + 191506.

It is an arithmetic number, because the mean of its divisors is an integer number (61077016).

Almost surely, 2^485279281 is an apocalyptic number.

It is an amenable number.

485279281 is a deficient number, since it is larger than the sum of its proper divisors (3336847).

485279281 is a wasteful number, since it uses less digits than its factorization.

485279281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3783.

The product of its digits is 322560, while the sum is 46.

The square root of 485279281 is about 22029.0553814729. The cubic root of 485279281 is about 785.8335802857.

The spelling of 485279281 in words is "four hundred eighty-five million, two hundred seventy-nine thousand, two hundred eighty-one".