65964601 has 2 divisors, whose sum is σ = 65964602. Its totient is φ = 65964600.

The previous prime is 65964593. The next prime is 65964617. The reversal of 65964601 is 10646956.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61638201 + 4326400 = 7851^2 + 2080^2 .

It is a cyclic number.

It is not a de Polignac number, because 65964601 - 2³ = 65964593 is a prime.

It is not a weakly prime, because it can be changed into another prime (65964631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32982300 + 32982301.

It is an arithmetic number, because the mean of its divisors is an integer number (32982301).

Almost surely, 2^65964601 is an apocalyptic number.

It is an amenable number.

65964601 is a deficient number, since it is larger than the sum of its proper divisors (1).

65964601 is an equidigital number, since it uses as much as digits as its factorization.

65964601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 65964601 is about 8121.8594545830. The cubic root of 65964601 is about 404.0517387092.

The spelling of 65964601 in words is "sixty-five million, nine hundred sixty-four thousand, six hundred one".