71070151 has 2 divisors, whose sum is σ = 71070152. Its totient is φ = 71070150.

The previous prime is 71070137. The next prime is 71070173. The reversal of 71070151 is 15107017.

It is an a-pointer prime, because the next prime (71070173) can be obtained adding 71070151 to its sum of digits (22).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 71070151 - 2¹¹ = 71068103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71080151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35535075 + 35535076.

It is an arithmetic number, because the mean of its divisors is an integer number (35535076).

Almost surely, 2^71070151 is an apocalyptic number.

71070151 is a deficient number, since it is larger than the sum of its proper divisors (1).

71070151 is an equidigital number, since it uses as much as digits as its factorization.

71070151 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 71070151 is about 8430.3114414593. The cubic root of 71070151 is about 414.2181068149.

Adding to 71070151 its reverse (15107017), we get a palindrome (86177168).

The spelling of 71070151 in words is "seventy-one million, seventy thousand, one hundred fifty-one".