65484961 has 4 divisors (see below), whose sum is σ = 65506372. Its totient is φ = 65463552.

The previous prime is 65484949. The next prime is 65484971. The reversal of 65484961 is 16948456.

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

It can be written as a sum of positive squares in 2 ways, for example, as 34292736 + 31192225 = 5856^2 + 5585^2 .

It is a cyclic number.

It is not a de Polignac number, because 65484961 - 2¹¹ = 65482913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65484941) 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, 5160 + ... + 12553.

It is an arithmetic number, because the mean of its divisors is an integer number (16376593).

Almost surely, 2^65484961 is an apocalyptic number.

It is an amenable number.

65484961 is a deficient number, since it is larger than the sum of its proper divisors (21411).

65484961 is a wasteful number, since it uses less digits than its factorization.

65484961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21410.

The product of its digits is 207360, while the sum is 43.

The square root of 65484961 is about 8092.2778622586. The cubic root of 65484961 is about 403.0700455185.

The spelling of 65484961 in words is "sixty-five million, four hundred eighty-four thousand, nine hundred sixty-one".