65452761 has 12 divisors (see below), whose sum is σ = 103137840. Its totient is φ = 39668280.

The previous prime is 65452711. The next prime is 65452763. The reversal of 65452761 is 16725456.

It is a happy number.

It is not a de Polignac number, because 65452761 - 2⁶ = 65452697 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (65452763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 330471 + ... + 330668.

It is an arithmetic number, because the mean of its divisors is an integer number (8594820).

Almost surely, 2^65452761 is an apocalyptic number.

It is an amenable number.

65452761 is a deficient number, since it is larger than the sum of its proper divisors (37685079).

65452761 is a wasteful number, since it uses less digits than its factorization.

65452761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661156 (or 661153 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 65452761 is about 8090.2880665647. The cubic root of 65452761 is about 403.0039693633.

The spelling of 65452761 in words is "sixty-five million, four hundred fifty-two thousand, seven hundred sixty-one".