65256825 has 24 divisors (see below), whose sum is σ = 108394848. Its totient is φ = 34641280.

The previous prime is 65256797. The next prime is 65256827. The reversal of 65256825 is 52865256.

It is a happy number.

It is not a de Polignac number, because 65256825 - 2¹³ = 65248633 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (65256827) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15109 + ... + 18941.

It is an arithmetic number, because the mean of its divisors is an integer number (4516452).

Almost surely, 2^65256825 is an apocalyptic number.

It is an amenable number.

65256825 is a deficient number, since it is larger than the sum of its proper divisors (43138023).

65256825 is a wasteful number, since it uses less digits than its factorization.

65256825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4073 (or 4068 counting only the distinct ones).

The product of its digits is 144000, while the sum is 39.

The square root of 65256825 is about 8078.1696565497. The cubic root of 65256825 is about 402.6014301426.

The spelling of 65256825 in words is "sixty-five million, two hundred fifty-six thousand, eight hundred twenty-five".