65870141 has 2 divisors, whose sum is σ = 65870142. Its totient is φ = 65870140.

The previous prime is 65870099. The next prime is 65870143. The reversal of 65870141 is 14107856.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57912100 + 7958041 = 7610^2 + 2821^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65870141 is a prime.

Together with 65870143, it forms a pair of twin primes.

It is a Chen prime.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 65870098 and 65870107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65870143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32935070 + 32935071.

It is an arithmetic number, because the mean of its divisors is an integer number (32935071).

Almost surely, 2^65870141 is an apocalyptic number.

It is an amenable number.

65870141 is a deficient number, since it is larger than the sum of its proper divisors (1).

65870141 is an equidigital number, since it uses as much as digits as its factorization.

65870141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 65870141 is about 8116.0422004817. The cubic root of 65870141 is about 403.8587818850.

Adding to 65870141 its reverse (14107856), we get a palindrome (79977997).

The spelling of 65870141 in words is "sixty-five million, eight hundred seventy thousand, one hundred forty-one".