65332471 has 2 divisors, whose sum is σ = 65332472. Its totient is φ = 65332470.

The previous prime is 65332441. The next prime is 65332543. The reversal of 65332471 is 17423356.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65332471 - 2¹⁷ = 65201399 is a prime.

It is a super-3 number, since 3×65332471³ (a number of 24 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65332441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32666235 + 32666236.

It is an arithmetic number, because the mean of its divisors is an integer number (32666236).

Almost surely, 2^65332471 is an apocalyptic number.

65332471 is a deficient number, since it is larger than the sum of its proper divisors (1).

65332471 is an equidigital number, since it uses as much as digits as its factorization.

65332471 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15120, while the sum is 31.

The square root of 65332471 is about 8082.8504254378. The cubic root of 65332471 is about 402.7569358562.

It can be divided in two parts, 653 and 32471, that added together give a square (33124 = 182²).

The spelling of 65332471 in words is "sixty-five million, three hundred thirty-two thousand, four hundred seventy-one".