65265256 has 48 divisors (see below), whose sum is σ = 143065440. Its totient is φ = 27830880.

The previous prime is 65265251. The next prime is 65265257. The reversal of 65265256 is 65256256.

It is not an unprimeable number, because it can be changed into a prime (65265251) 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, 129501 + ... + 130003.

It is an arithmetic number, because the mean of its divisors is an integer number (2980530).

Almost surely, 2^65265256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65265256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71532720).

65265256 is an abundant number, since it is smaller than the sum of its proper divisors (77800184).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65265256 is a wasteful number, since it uses less digits than its factorization.

65265256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 854 (or 843 counting only the distinct ones).

The product of its digits is 108000, while the sum is 37.

The square root of 65265256 is about 8078.6914782036. The cubic root of 65265256 is about 402.6187677237.

The spelling of 65265256 in words is "sixty-five million, two hundred sixty-five thousand, two hundred fifty-six".