670240133 has 2 divisors, whose sum is σ = 670240134. Its totient is φ = 670240132.

The previous prime is 670240127. The next prime is 670240169. The reversal of 670240133 is 331042076.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 615139204 + 55100929 = 24802^2 + 7423^2 .

It is a cyclic number.

It is not a de Polignac number, because 670240133 - 2¹² = 670236037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (670240433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335120066 + 335120067.

It is an arithmetic number, because the mean of its divisors is an integer number (335120067).

Almost surely, 2^670240133 is an apocalyptic number.

It is an amenable number.

670240133 is a deficient number, since it is larger than the sum of its proper divisors (1).

670240133 is an equidigital number, since it uses as much as digits as its factorization.

670240133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 670240133 is about 25888.9963691140. The cubic root of 670240133 is about 875.1385393699.

The spelling of 670240133 in words is "six hundred seventy million, two hundred forty thousand, one hundred thirty-three".