70020163 has 2 divisors, whose sum is σ = 70020164. Its totient is φ = 70020162.

The previous prime is 70020133. The next prime is 70020191. The reversal of 70020163 is 36102007.

It is a strong prime.

It is an emirp because it is prime and its reverse (36102007) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70020163 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 70020163.

It is not a weakly prime, because it can be changed into another prime (70020133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35010081 + 35010082.

It is an arithmetic number, because the mean of its divisors is an integer number (35010082).

Almost surely, 2^70020163 is an apocalyptic number.

70020163 is a deficient number, since it is larger than the sum of its proper divisors (1).

70020163 is an equidigital number, since it uses as much as digits as its factorization.

70020163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 70020163 is about 8367.8051483050. The cubic root of 70020163 is about 412.1680964086.

The spelling of 70020163 in words is "seventy million, twenty thousand, one hundred sixty-three".