667020301 has 2 divisors, whose sum is σ = 667020302. Its totient is φ = 667020300.

The previous prime is 667020293. The next prime is 667020307. The reversal of 667020301 is 103020766.

667020301 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., 666982276 + 38025 = 25826^2 + 195^2 .

It is a cyclic number.

It is not a de Polignac number, because 667020301 - 2³ = 667020293 is a prime.

It is a super-2 number, since 2×667020301² = 889832163892261202, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (667020307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 333510150 + 333510151.

It is an arithmetic number, because the mean of its divisors is an integer number (333510151).

Almost surely, 2^667020301 is an apocalyptic number.

It is an amenable number.

667020301 is a deficient number, since it is larger than the sum of its proper divisors (1).

667020301 is an equidigital number, since it uses as much as digits as its factorization.

667020301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 667020301 is about 25826.7361662290. The cubic root of 667020301 is about 873.7349014551.

The spelling of 667020301 in words is "six hundred sixty-seven million, twenty thousand, three hundred one".