65677513 has 8 divisors (see below), whose sum is σ = 71736480. Its totient is φ = 59633280.

The previous prime is 65677483. The next prime is 65677517. The reversal of 65677513 is 31577656.

It is a happy number.

65677513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65677513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65677517) 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 7 ways as a sum of consecutive naturals, for example, 7006 + ... + 13432.

It is an arithmetic number, because the mean of its divisors is an integer number (8967060).

Almost surely, 2^65677513 is an apocalyptic number.

It is an amenable number.

65677513 is a deficient number, since it is larger than the sum of its proper divisors (6058967).

65677513 is a wasteful number, since it uses less digits than its factorization.

65677513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7367.

The product of its digits is 132300, while the sum is 40.

The square root of 65677513 is about 8104.1663976007. The cubic root of 65677513 is about 403.4647213656.

The spelling of 65677513 in words is "sixty-five million, six hundred seventy-seven thousand, five hundred thirteen".