65357071 has 4 divisors (see below), whose sum is σ = 70384552. Its totient is φ = 60329592.

The previous prime is 65357009. The next prime is 65357081. The reversal of 65357071 is 17075356.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 65357071 - 2¹⁹ = 64832783 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 (65357081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2513721 + ... + 2513746.

It is an arithmetic number, because the mean of its divisors is an integer number (17596138).

Almost surely, 2^65357071 is an apocalyptic number.

65357071 is a deficient number, since it is larger than the sum of its proper divisors (5027481).

65357071 is a wasteful number, since it uses less digits than its factorization.

65357071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5027480.

The product of its (nonzero) digits is 22050, while the sum is 34.

The square root of 65357071 is about 8084.3720226125. The cubic root of 65357071 is about 402.8074802853.

The spelling of 65357071 in words is "sixty-five million, three hundred fifty-seven thousand, seventy-one".