70151071 has 2 divisors, whose sum is σ = 70151072. Its totient is φ = 70151070.

The previous prime is 70151063. The next prime is 70151089. The reversal of 70151071 is 17015107.

It is a weak prime.

It is an emirp because it is prime and its reverse (17015107) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70151071 - 2³ = 70151063 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70151051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35075535 + 35075536.

It is an arithmetic number, because the mean of its divisors is an integer number (35075536).

Almost surely, 2^70151071 is an apocalyptic number.

70151071 is a deficient number, since it is larger than the sum of its proper divisors (1).

70151071 is an equidigital number, since it uses as much as digits as its factorization.

70151071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 245, while the sum is 22.

The square root of 70151071 is about 8375.6236185731. The cubic root of 70151071 is about 412.4247963301.

Adding to 70151071 its reverse (17015107), we get a palindrome (87166178).

The spelling of 70151071 in words is "seventy million, one hundred fifty-one thousand, seventy-one".