65495961 has 6 divisors (see below), whose sum is σ = 94605290. Its totient is φ = 43663968.

The previous prime is 65495953. The next prime is 65495971. The reversal of 65495961 is 16959456.

It is a happy number.

65495961 is a `hidden beast` number, since 6 + 54 + 9 + 596 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 45968400 + 19527561 = 6780^2 + 4419^2 .

It is not a de Polignac number, because 65495961 - 2³ = 65495953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65495971) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3638656 + ... + 3638673.

Almost surely, 2^65495961 is an apocalyptic number.

It is an amenable number.

65495961 is a deficient number, since it is larger than the sum of its proper divisors (29109329).

65495961 is a wasteful number, since it uses less digits than its factorization.

65495961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7277335 (or 7277332 counting only the distinct ones).

The product of its digits is 291600, while the sum is 45.

The square root of 65495961 is about 8092.9574940191. The cubic root of 65495961 is about 403.0926131544.

The spelling of 65495961 in words is "sixty-five million, four hundred ninety-five thousand, nine hundred sixty-one".