67530601 has 2 divisors, whose sum is σ = 67530602. Its totient is φ = 67530600.

The previous prime is 67530577. The next prime is 67530629. The reversal of 67530601 is 10603576.

It is an a-pointer prime, because the next prime (67530629) can be obtained adding 67530601 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65626201 + 1904400 = 8101^2 + 1380^2 .

It is a cyclic number.

It is not a de Polignac number, because 67530601 - 2¹⁷ = 67399529 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 67530601.

It is not a weakly prime, because it can be changed into another prime (67530641) 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, 33765300 + 33765301.

It is an arithmetic number, because the mean of its divisors is an integer number (33765301).

Almost surely, 2^67530601 is an apocalyptic number.

It is an amenable number.

67530601 is a deficient number, since it is larger than the sum of its proper divisors (1).

67530601 is an equidigital number, since it uses as much as digits as its factorization.

67530601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 67530601 is about 8217.7004691093. The cubic root of 67530601 is about 407.2241620036.

Subtracting from 67530601 its reverse (10603576), we obtain a square (56927025 = 7545²).

The spelling of 67530601 in words is "sixty-seven million, five hundred thirty thousand, six hundred one".