65465783 has 4 divisors (see below), whose sum is σ = 66858720. Its totient is φ = 64072848.

The previous prime is 65465779. The next prime is 65465857. The reversal of 65465783 is 38756456.

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 65465783 - 2² = 65465779 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 (65465713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 696398 + ... + 696491.

It is an arithmetic number, because the mean of its divisors is an integer number (16714680).

Almost surely, 2^65465783 is an apocalyptic number.

65465783 is a deficient number, since it is larger than the sum of its proper divisors (1392937).

65465783 is a wasteful number, since it uses less digits than its factorization.

65465783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1392936.

The product of its digits is 604800, while the sum is 44.

The square root of 65465783 is about 8091.0928186494. The cubic root of 65465783 is about 403.0306938264.

The spelling of 65465783 in words is "sixty-five million, four hundred sixty-five thousand, seven hundred eighty-three".