201670039 has 2 divisors, whose sum is σ = 201670040. Its totient is φ = 201670038.

The previous prime is 201669977. The next prime is 201670181. The reversal of 201670039 is 930076102.

201670039 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201670039 - 2¹³ = 201661847 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 201669989 and 201670016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201676039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100835019 + 100835020.

It is an arithmetic number, because the mean of its divisors is an integer number (100835020).

Almost surely, 2^201670039 is an apocalyptic number.

201670039 is a deficient number, since it is larger than the sum of its proper divisors (1).

201670039 is an equidigital number, since it uses as much as digits as its factorization.

201670039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 201670039 is about 14201.0576718778. The cubic root of 201670039 is about 586.4267791116.

The spelling of 201670039 in words is "two hundred one million, six hundred seventy thousand, thirty-nine".