667474201 has 2 divisors, whose sum is σ = 667474202. Its totient is φ = 667474200.

The previous prime is 667474189. The next prime is 667474211. The reversal of 667474201 is 102474766.

667474201 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., 615288025 + 52186176 = 24805^2 + 7224^2 .

It is a cyclic number.

It is not a de Polignac number, because 667474201 - 2¹⁵ = 667441433 is a prime.

It is not a weakly prime, because it can be changed into another prime (667474211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 333737100 + 333737101.

It is an arithmetic number, because the mean of its divisors is an integer number (333737101).

Almost surely, 2^667474201 is an apocalyptic number.

It is an amenable number.

667474201 is a deficient number, since it is larger than the sum of its proper divisors (1).

667474201 is an equidigital number, since it uses as much as digits as its factorization.

667474201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 667474201 is about 25835.5220771712. The cubic root of 667474201 is about 873.9330455232.

The spelling of 667474201 in words is "six hundred sixty-seven million, four hundred seventy-four thousand, two hundred one".