65056517 has 4 divisors (see below), whose sum is σ = 65328960. Its totient is φ = 64784076.

The previous prime is 65056499. The next prime is 65056543. The reversal of 65056517 is 71565056.

65056517 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 65056517 - 2⁸ = 65056261 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 (65056547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135863 + ... + 136340.

It is an arithmetic number, because the mean of its divisors is an integer number (16332240).

Almost surely, 2^65056517 is an apocalyptic number.

It is an amenable number.

65056517 is a deficient number, since it is larger than the sum of its proper divisors (272443).

65056517 is a wasteful number, since it uses less digits than its factorization.

65056517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272442.

The product of its (nonzero) digits is 31500, while the sum is 35.

The square root of 65056517 is about 8065.7620222766. The cubic root of 65056517 is about 402.1890751043.

The spelling of 65056517 in words is "sixty-five million, fifty-six thousand, five hundred seventeen".