65802265 has 8 divisors (see below), whose sum is σ = 79010568. Its totient is φ = 52609920.

The previous prime is 65802251. The next prime is 65802281. The reversal of 65802265 is 56220856.

It can be written as a sum of positive squares in 4 ways, for example, as 19820304 + 45981961 = 4452^2 + 6781^2 .

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

It is not a de Polignac number, because 65802265 - 2⁹ = 65801753 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 65802265.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8845 + ... + 14485.

It is an arithmetic number, because the mean of its divisors is an integer number (9876321).

Almost surely, 2^65802265 is an apocalyptic number.

It is an amenable number.

65802265 is a deficient number, since it is larger than the sum of its proper divisors (13208303).

65802265 is a wasteful number, since it uses less digits than its factorization.

65802265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7979.

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 65802265 is about 8111.8595278765. The cubic root of 65802265 is about 403.7200152180.

The spelling of 65802265 in words is "sixty-five million, eight hundred two thousand, two hundred sixty-five".