65315077 has 4 divisors (see below), whose sum is σ = 65342860. Its totient is φ = 65287296.

The previous prime is 65315069. The next prime is 65315093. The reversal of 65315077 is 77051356.

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 53714241 + 11600836 = 7329^2 + 3406^2 .

It is a cyclic number.

It is not a de Polignac number, because 65315077 - 2³ = 65315069 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 (65315057) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 10002 + ... + 15187.

It is an arithmetic number, because the mean of its divisors is an integer number (16335715).

Almost surely, 2^65315077 is an apocalyptic number.

It is an amenable number.

65315077 is a deficient number, since it is larger than the sum of its proper divisors (27783).

65315077 is a wasteful number, since it uses less digits than its factorization.

65315077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27782.

The product of its (nonzero) digits is 22050, while the sum is 34.

The square root of 65315077 is about 8081.7743720052. The cubic root of 65315077 is about 402.7211895888.

The spelling of 65315077 in words is "sixty-five million, three hundred fifteen thousand, seventy-seven".