65045871 has 12 divisors (see below), whose sum is σ = 102496680. Its totient is φ = 39421680.

The previous prime is 65045861. The next prime is 65045879. The reversal of 65045871 is 17854056.

It is not a de Polignac number, because 65045871 - 2⁹ = 65045359 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65045879) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 328416 + ... + 328613.

It is an arithmetic number, because the mean of its divisors is an integer number (8541390).

Almost surely, 2^65045871 is an apocalyptic number.

65045871 is a deficient number, since it is larger than the sum of its proper divisors (37450809).

65045871 is a wasteful number, since it uses less digits than its factorization.

65045871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657046 (or 657043 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The square root of 65045871 is about 8065.1020452317. The cubic root of 65045871 is about 402.1671355218.

The spelling of 65045871 in words is "sixty-five million, forty-five thousand, eight hundred seventy-one".