71055157 has 2 divisors, whose sum is σ = 71055158. Its totient is φ = 71055156.

The previous prime is 71055151. The next prime is 71055163. The reversal of 71055157 is 75155017.

It is a balanced prime because it is at equal distance from previous prime (71055151) and next prime (71055163).

It can be written as a sum of positive squares in only one way, i.e., 51065316 + 19989841 = 7146^2 + 4471^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71055157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71055151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35527578 + 35527579.

It is an arithmetic number, because the mean of its divisors is an integer number (35527579).

Almost surely, 2^71055157 is an apocalyptic number.

It is an amenable number.

71055157 is a deficient number, since it is larger than the sum of its proper divisors (1).

71055157 is an equidigital number, since it uses as much as digits as its factorization.

71055157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6125, while the sum is 31.

The square root of 71055157 is about 8429.4221035608. The cubic root of 71055157 is about 414.1889749266.

The spelling of 71055157 in words is "seventy-one million, fifty-five thousand, one hundred fifty-seven".