65256271 has 8 divisors (see below), whose sum is σ = 69183104. Its totient is φ = 61443360.

The previous prime is 65256259. The next prime is 65256277. The reversal of 65256271 is 17265256.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 65256271 - 2⁵ = 65256239 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 (65256277) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27300 + ... + 29593.

It is an arithmetic number, because the mean of its divisors is an integer number (8647888).

Almost surely, 2^65256271 is an apocalyptic number.

65256271 is a deficient number, since it is larger than the sum of its proper divisors (3926833).

65256271 is a wasteful number, since it uses less digits than its factorization.

65256271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56961.

The product of its digits is 25200, while the sum is 34.

The square root of 65256271 is about 8078.1353665311. The cubic root of 65256271 is about 402.6002908399.

The spelling of 65256271 in words is "sixty-five million, two hundred fifty-six thousand, two hundred seventy-one".