65130571 has 4 divisors (see below), whose sum is σ = 71051544. Its totient is φ = 59209600.

The previous prime is 65130551. The next prime is 65130581. The reversal of 65130571 is 17503156.

65130571 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 65130571 - 2⁹ = 65130059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65130551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2960470 + ... + 2960491.

It is an arithmetic number, because the mean of its divisors is an integer number (17762886).

Almost surely, 2^65130571 is an apocalyptic number.

65130571 is a deficient number, since it is larger than the sum of its proper divisors (5920973).

65130571 is a wasteful number, since it uses less digits than its factorization.

65130571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5920972.

The product of its (nonzero) digits is 3150, while the sum is 28.

The square root of 65130571 is about 8070.3513554244. The cubic root of 65130571 is about 402.3416215225.

The spelling of 65130571 in words is "sixty-five million, one hundred thirty thousand, five hundred seventy-one".