65092865 has 4 divisors (see below), whose sum is σ = 78111444. Its totient is φ = 52074288.

The previous prime is 65092861. The next prime is 65092913. The reversal of 65092865 is 56829056.

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 33362176 + 31730689 = 5776^2 + 5633^2 .

It is a cyclic number.

It is not a de Polignac number, because 65092865 - 2² = 65092861 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65092861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6509282 + ... + 6509291.

It is an arithmetic number, because the mean of its divisors is an integer number (19527861).

Almost surely, 2^65092865 is an apocalyptic number.

It is an amenable number.

65092865 is a deficient number, since it is larger than the sum of its proper divisors (13018579).

65092865 is a wasteful number, since it uses less digits than its factorization.

65092865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13018578.

The product of its (nonzero) digits is 129600, while the sum is 41.

The square root of 65092865 is about 8068.0149355340. The cubic root of 65092865 is about 402.2639640750.

The spelling of 65092865 in words is "sixty-five million, ninety-two thousand, eight hundred sixty-five".