67505201 has 2 divisors, whose sum is σ = 67505202. Its totient is φ = 67505200.

The previous prime is 67505189. The next prime is 67505203. The reversal of 67505201 is 10250576.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63600625 + 3904576 = 7975^2 + 1976^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-67505201 is a prime.

Together with 67505203, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (67505203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33752600 + 33752601.

It is an arithmetic number, because the mean of its divisors is an integer number (33752601).

Almost surely, 2^67505201 is an apocalyptic number.

It is an amenable number.

67505201 is a deficient number, since it is larger than the sum of its proper divisors (1).

67505201 is an equidigital number, since it uses as much as digits as its factorization.

67505201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 67505201 is about 8216.1548792607. The cubic root of 67505201 is about 407.1730997659.

Adding to 67505201 its reverse (10250576), we get a palindrome (77755777).

The spelling of 67505201 in words is "sixty-seven million, five hundred five thousand, two hundred one".