65141191 has 4 divisors (see below), whose sum is σ = 65638584. Its totient is φ = 64643800.

The previous prime is 65141183. The next prime is 65141203. The reversal of 65141191 is 19114156.

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 65141191 - 2³ = 65141183 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65141591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 248500 + ... + 248761.

It is an arithmetic number, because the mean of its divisors is an integer number (16409646).

Almost surely, 2^65141191 is an apocalyptic number.

65141191 is a deficient number, since it is larger than the sum of its proper divisors (497393).

65141191 is a wasteful number, since it uses less digits than its factorization.

65141191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497392.

The product of its digits is 1080, while the sum is 28.

The square root of 65141191 is about 8071.0092925235. The cubic root of 65141191 is about 402.3634885492.

The spelling of 65141191 in words is "sixty-five million, one hundred forty-one thousand, one hundred ninety-one".