65622671 has 2 divisors, whose sum is σ = 65622672. Its totient is φ = 65622670.

The previous prime is 65622649. The next prime is 65622677. The reversal of 65622671 is 17622656.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65622671 - 2⁶ = 65622607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65622677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32811335 + 32811336.

It is an arithmetic number, because the mean of its divisors is an integer number (32811336).

Almost surely, 2^65622671 is an apocalyptic number.

65622671 is a deficient number, since it is larger than the sum of its proper divisors (1).

65622671 is an equidigital number, since it uses as much as digits as its factorization.

65622671 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 35.

The square root of 65622671 is about 8100.7821227336. The cubic root of 65622671 is about 403.3523897985.

The spelling of 65622671 in words is "sixty-five million, six hundred twenty-two thousand, six hundred seventy-one".