65255705 has 4 divisors (see below), whose sum is σ = 78306852. Its totient is φ = 52204560.

The previous prime is 65255681. The next prime is 65255767. The reversal of 65255705 is 50755256.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 45212176 + 20043529 = 6724^2 + 4477^2 .

It is not a de Polignac number, because 65255705 - 2²⁴ = 48478489 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6525566 + ... + 6525575.

It is an arithmetic number, because the mean of its divisors is an integer number (19576713).

Almost surely, 2^65255705 is an apocalyptic number.

It is an amenable number.

65255705 is a deficient number, since it is larger than the sum of its proper divisors (13051147).

65255705 is a wasteful number, since it uses less digits than its factorization.

65255705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13051146.

The product of its (nonzero) digits is 52500, while the sum is 35.

The square root of 65255705 is about 8078.1003336180. The cubic root of 65255705 is about 402.5991268526.

The spelling of 65255705 in words is "sixty-five million, two hundred fifty-five thousand, seven hundred five".