471280081 has 4 divisors (see below), whose sum is σ = 480172212. Its totient is φ = 462387952.

The previous prime is 471280067. The next prime is 471280087. The reversal of 471280081 is 180082174.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 180082174 = 2 ⋅90041087.

It can be written as a sum of positive squares in 2 ways, for example, as 331567681 + 139712400 = 18209^2 + 11820^2 .

It is a cyclic number.

It is not a de Polignac number, because 471280081 - 2⁵ = 471280049 is a prime.

It is a super-2 number, since 2×471280081² = 444209829494733122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (471280087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4445986 + ... + 4446091.

It is an arithmetic number, because the mean of its divisors is an integer number (120043053).

Almost surely, 2^471280081 is an apocalyptic number.

It is an amenable number.

471280081 is a deficient number, since it is larger than the sum of its proper divisors (8892131).

471280081 is an equidigital number, since it uses as much as digits as its factorization.

471280081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8892130.

The product of its (nonzero) digits is 3584, while the sum is 31.

The square root of 471280081 is about 21708.9861808423. The cubic root of 471280081 is about 778.2032283431.

The spelling of 471280081 in words is "four hundred seventy-one million, two hundred eighty thousand, eighty-one".