65212001 has 2 divisors, whose sum is σ = 65212002. Its totient is φ = 65212000.

The previous prime is 65211967. The next prime is 65212013. The reversal of 65212001 is 10021256.

65212001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49688401 + 15523600 = 7049^2 + 3940^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65212001 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (65212031) 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, 32606000 + 32606001.

It is an arithmetic number, because the mean of its divisors is an integer number (32606001).

Almost surely, 2^65212001 is an apocalyptic number.

It is an amenable number.

65212001 is a deficient number, since it is larger than the sum of its proper divisors (1).

65212001 is an equidigital number, since it uses as much as digits as its factorization.

65212001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 65212001 is about 8075.3947891109. The cubic root of 65212001 is about 402.5092285990.

Adding to 65212001 its reverse (10021256), we get a palindrome (75233257).

The spelling of 65212001 in words is "sixty-five million, two hundred twelve thousand, one".