471996281 has 4 divisors (see below), whose sum is σ = 477299700. Its totient is φ = 466692864.

The previous prime is 471996247. The next prime is 471996299. The reversal of 471996281 is 182699174.

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 34810000 + 437186281 = 5900^2 + 20909^2 .

It is a cyclic number.

It is not a de Polignac number, because 471996281 - 2¹⁰ = 471995257 is a prime.

It is a super-2 number, since 2×471996281² = 445560978555661922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (471996781) 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, 2651576 + ... + 2651753.

It is an arithmetic number, because the mean of its divisors is an integer number (119324925).

Almost surely, 2^471996281 is an apocalyptic number.

It is an amenable number.

471996281 is a deficient number, since it is larger than the sum of its proper divisors (5303419).

471996281 is an equidigital number, since it uses as much as digits as its factorization.

471996281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5303418.

The product of its digits is 217728, while the sum is 47.

The square root of 471996281 is about 21725.4753918067. The cubic root of 471996281 is about 778.5972382464.

The spelling of 471996281 in words is "four hundred seventy-one million, nine hundred ninety-six thousand, two hundred eighty-one".