65340895 has 4 divisors (see below), whose sum is σ = 78409080. Its totient is φ = 52272712.

The previous prime is 65340887. The next prime is 65340929. The reversal of 65340895 is 59804356.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 65340895 - 2³ = 65340887 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 congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6534085 + ... + 6534094.

It is an arithmetic number, because the mean of its divisors is an integer number (19602270).

Almost surely, 2^65340895 is an apocalyptic number.

65340895 is a deficient number, since it is larger than the sum of its proper divisors (13068185).

65340895 is a wasteful number, since it uses less digits than its factorization.

65340895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13068184.

The product of its (nonzero) digits is 129600, while the sum is 40.

The square root of 65340895 is about 8083.3715119373. The cubic root of 65340895 is about 402.7742456695.

The spelling of 65340895 in words is "sixty-five million, three hundred forty thousand, eight hundred ninety-five".