65851141 has 6 divisors (see below), whose sum is σ = 68201042. Its totient is φ = 63579600.

The previous prime is 65851133. The next prime is 65851153. The reversal of 65851141 is 14115856.

It can be written as a sum of positive squares in 3 ways, for example, as 2090916 + 63760225 = 1446^2 + 7985^2 .

It is not a de Polignac number, because 65851141 - 2³ = 65851133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65851171) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 38310 + ... + 39991.

Almost surely, 2^65851141 is an apocalyptic number.

It is an amenable number.

65851141 is a deficient number, since it is larger than the sum of its proper divisors (2349901).

65851141 is an equidigital number, since it uses as much as digits as its factorization.

65851141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78359 (or 78330 counting only the distinct ones).

The product of its digits is 4800, while the sum is 31.

The square root of 65851141 is about 8114.8715947943. The cubic root of 65851141 is about 403.8199476240.

Adding to 65851141 its reverse (14115856), we get a palindrome (79966997).

The spelling of 65851141 in words is "sixty-five million, eight hundred fifty-one thousand, one hundred forty-one".