71029151 has 2 divisors, whose sum is σ = 71029152. Its totient is φ = 71029150.

The previous prime is 71029103. The next prime is 71029177. The reversal of 71029151 is 15192017.

It is an a-pointer prime, because the next prime (71029177) can be obtained adding 71029151 to its sum of digits (26).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 71029151 - 2²² = 66834847 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 71029151.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71022151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35514575 + 35514576.

It is an arithmetic number, because the mean of its divisors is an integer number (35514576).

Almost surely, 2^71029151 is an apocalyptic number.

71029151 is a deficient number, since it is larger than the sum of its proper divisors (1).

71029151 is an equidigital number, since it uses as much as digits as its factorization.

71029151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 630, while the sum is 26.

The square root of 71029151 is about 8427.8793892651. The cubic root of 71029151 is about 414.1384380699.

The spelling of 71029151 in words is "seventy-one million, twenty-nine thousand, one hundred fifty-one".