66363001 has 2 divisors, whose sum is σ = 66363002. Its totient is φ = 66363000.

The previous prime is 66362993. The next prime is 66363007. The reversal of 66363001 is 10036366.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49716601 + 16646400 = 7051^2 + 4080^2 .

It is a cyclic number.

It is not a de Polignac number, because 66363001 - 2³ = 66362993 is a prime.

It is equal to p_3916402 and since 66363001 and 3916402 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (66363007) 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 as a sum of consecutive naturals, namely, 33181500 + 33181501.

It is an arithmetic number, because the mean of its divisors is an integer number (33181501).

Almost surely, 2^66363001 is an apocalyptic number.

It is an amenable number.

66363001 is a deficient number, since it is larger than the sum of its proper divisors (1).

66363001 is an equidigital number, since it uses as much as digits as its factorization.

66363001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 66363001 is about 8146.3489367937. The cubic root of 66363001 is about 404.8635439291.

Adding to 66363001 its reverse (10036366), we get a palindrome (76399367).

The spelling of 66363001 in words is "sixty-six million, three hundred sixty-three thousand, one".