67211201 has 2 divisors, whose sum is σ = 67211202. Its totient is φ = 67211200.

The previous prime is 67211191. The next prime is 67211219. The reversal of 67211201 is 10211276.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37834801 + 29376400 = 6151^2 + 5420^2 .

It is a cyclic number.

It is not a de Polignac number, because 67211201 - 2²⁶ = 102337 is a prime.

It is not a weakly prime, because it can be changed into another prime (67211231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33605600 + 33605601.

It is an arithmetic number, because the mean of its divisors is an integer number (33605601).

Almost surely, 2^67211201 is an apocalyptic number.

It is an amenable number.

67211201 is a deficient number, since it is larger than the sum of its proper divisors (1).

67211201 is an equidigital number, since it uses as much as digits as its factorization.

67211201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168, while the sum is 20.

The square root of 67211201 is about 8198.2437753460. The cubic root of 67211201 is about 406.5811300734.

Adding to 67211201 its reverse (10211276), we get a palindrome (77422477).

The spelling of 67211201 in words is "sixty-seven million, two hundred eleven thousand, two hundred one".