65225171 has 18 divisors (see below), whose sum is σ = 75019980. Its totient is φ = 56661880.

The previous prime is 65225161. The next prime is 65225177. The reversal of 65225171 is 17152256.

It is not a de Polignac number, because 65225171 - 2¹⁰ = 65224147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65225177) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 63500 + ... + 64518.

Almost surely, 2^65225171 is an apocalyptic number.

65225171 is a deficient number, since it is larger than the sum of its proper divisors (9794809).

65225171 is a wasteful number, since it uses less digits than its factorization.

65225171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1087 (or 1053 counting only the distinct ones).

The product of its digits is 4200, while the sum is 29.

The square root of 65225171 is about 8076.2101879533. The cubic root of 65225171 is about 402.5363232526.

The spelling of 65225171 in words is "sixty-five million, two hundred twenty-five thousand, one hundred seventy-one".