65484651 has 4 divisors (see below), whose sum is σ = 87312872. Its totient is φ = 43656432.

The previous prime is 65484647. The next prime is 65484689. The reversal of 65484651 is 15648456.

It is a happy number.

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

It is not a de Polignac number, because 65484651 - 2² = 65484647 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65484641) 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, 10914106 + ... + 10914111.

It is an arithmetic number, because the mean of its divisors is an integer number (21828218).

Almost surely, 2^65484651 is an apocalyptic number.

65484651 is a deficient number, since it is larger than the sum of its proper divisors (21828221).

65484651 is a wasteful number, since it uses less digits than its factorization.

65484651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21828220.

The product of its digits is 115200, while the sum is 39.

The square root of 65484651 is about 8092.2587081729. The cubic root of 65484651 is about 403.0694094849.

The spelling of 65484651 in words is "sixty-five million, four hundred eighty-four thousand, six hundred fifty-one".