65019601 has 2 divisors, whose sum is σ = 65019602. Its totient is φ = 65019600.

The previous prime is 65019589. The next prime is 65019673. The reversal of 65019601 is 10691056.

65019601 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40259025 + 24760576 = 6345^2 + 4976^2 .

It is a cyclic number.

It is not a de Polignac number, because 65019601 - 2⁹ = 65019089 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 65019601.

It is not a weakly prime, because it can be changed into another prime (65019401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32509800 + 32509801.

It is an arithmetic number, because the mean of its divisors is an integer number (32509801).

Almost surely, 2^65019601 is an apocalyptic number.

It is an amenable number.

65019601 is a deficient number, since it is larger than the sum of its proper divisors (1).

65019601 is an equidigital number, since it uses as much as digits as its factorization.

65019601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1620, while the sum is 28.

The square root of 65019601 is about 8063.4732590863. The cubic root of 65019601 is about 402.1129873077.

The spelling of 65019601 in words is "sixty-five million, nineteen thousand, six hundred one".