65192065 has 8 divisors (see below), whose sum is σ = 78281640. Its totient is φ = 52119552.

The previous prime is 65192063. The next prime is 65192069. The reversal of 65192065 is 56029156.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3538161 + 61653904 = 1881^2 + 7852^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 65192065 - 2¹ = 65192063 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 65192065.

It is not an unprimeable number, because it can be changed into a prime (65192063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6721 + ... + 13249.

It is an arithmetic number, because the mean of its divisors is an integer number (9785205).

Almost surely, 2^65192065 is an apocalyptic number.

It is an amenable number.

65192065 is a deficient number, since it is larger than the sum of its proper divisors (13089575).

65192065 is a wasteful number, since it uses less digits than its factorization.

65192065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8531.

The product of its (nonzero) digits is 16200, while the sum is 34.

The square root of 65192065 is about 8074.1603278607. The cubic root of 65192065 is about 402.4682073058.

The spelling of 65192065 in words is "sixty-five million, one hundred ninety-two thousand, sixty-five".