65471 has 8 divisors (see below), whose sum is σ = 76800. Its totient is φ = 54648.

The previous prime is 65449. The next prime is 65479. The reversal of 65471 is 17456.

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 65471 - 2⁶ = 65407 is a prime.

It is a super-3 number, since 3×65471³ = 841914865446333, which contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65479) 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, 230 + ... + 428.

It is an arithmetic number, because the mean of its divisors is an integer number (9600).

65471 is a Friedman number, since it can be written as 4^(7+1)-65, using all its digits and the basic arithmetic operations.

2⁶⁵⁴⁷¹ is an apocalyptic number.

65471 is a deficient number, since it is larger than the sum of its proper divisors (11329).

65471 is a wasteful number, since it uses less digits than its factorization.

65471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253.

The product of its digits is 840, while the sum is 23.

The square root of 65471 is about 255.8730153807. The cubic root of 65471 is about 40.3041399446.

The spelling of 65471 in words is "sixty-five thousand, four hundred seventy-one".