65394265 has 4 divisors (see below), whose sum is σ = 78473124. Its totient is φ = 52315408.

The previous prime is 65394253. The next prime is 65394269. The reversal of 65394265 is 56249356.

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 35844169 + 29550096 = 5987^2 + 5436^2 .

It is a cyclic number.

It is not a de Polignac number, because 65394265 - 2⁷ = 65394137 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65394269) 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, 6539422 + ... + 6539431.

It is an arithmetic number, because the mean of its divisors is an integer number (19618281).

Almost surely, 2^65394265 is an apocalyptic number.

It is an amenable number.

65394265 is a deficient number, since it is larger than the sum of its proper divisors (13078859).

65394265 is a wasteful number, since it uses less digits than its factorization.

65394265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13078858.

The product of its digits is 194400, while the sum is 40.

The square root of 65394265 is about 8086.6720596300. The cubic root of 65394265 is about 402.8838769172.

The spelling of 65394265 in words is "sixty-five million, three hundred ninety-four thousand, two hundred sixty-five".