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471 = 3157

471 has 4 divisors (see below), whose sum is σ = 632. Its totient is φ = 312.

The previous prime is 467. The next prime is 479. The reversal of 471 is 174.

471 is nontrivially palindromic in base 2, base 8 and base 12.

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

It is not a de Polignac number, because 471 - 22 = 467 is a prime.

It is a super-3 number, since 3×4713 = 313461333, which contains 333 as substring.

It is a D-number.

It is a Duffinian number.

471 is an undulating number in base 8.

471 is a nontrivial repdigit in base 12.

It is a plaindrome in base 11, base 12 and base 14.

It is a nialpdrome in base 12.

It is a zygodrome in base 12.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 471.

It is not an unprimeable number, because it can be changed into a prime (479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76 + ... + 81.

It is an arithmetic number, because the mean of its divisors is an integer number (158).

471 is a deficient number, since it is larger than the sum of its proper divisors (161).

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

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

The sum of its prime factors is 160.

The product of its digits is 28, while the sum is 12.

The square root of 471 is about 21.7025344142. The cubic root of 471 is about 7.7804903615.

The spelling of 471 in words is "four hundred seventy-one", and thus it is an aban number and an iban number.

Divisors: 1 3 157 471