65142617 has 2 divisors, whose sum is σ = 65142618. Its totient is φ = 65142616.

The previous prime is 65142599. The next prime is 65142629. The reversal of 65142617 is 71624156.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65108761 + 33856 = 8069^2 + 184^2 .

It is a cyclic number.

It is not a de Polignac number, because 65142617 - 2¹⁴ = 65126233 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (65142017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32571308 + 32571309.

It is an arithmetic number, because the mean of its divisors is an integer number (32571309).

Almost surely, 2^65142617 is an apocalyptic number.

It is an amenable number.

65142617 is a deficient number, since it is larger than the sum of its proper divisors (1).

65142617 is an equidigital number, since it uses as much as digits as its factorization.

65142617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10080, while the sum is 32.

The square root of 65142617 is about 8071.0976329121. The cubic root of 65142617 is about 402.3664245622.

The spelling of 65142617 in words is "sixty-five million, one hundred forty-two thousand, six hundred seventeen".