2971551071 has 2 divisors, whose sum is σ = 2971551072. Its totient is φ = 2971551070.

The previous prime is 2971551049. The next prime is 2971551101. The reversal of 2971551071 is 1701551792.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2971551071 is a prime.

It is a super-2 number, since 2×2971551071² = 17660231535122494082, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2971551031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1485775535 + 1485775536.

It is an arithmetic number, because the mean of its divisors is an integer number (1485775536).

Almost surely, 2^2971551071 is an apocalyptic number.

2971551071 is a deficient number, since it is larger than the sum of its proper divisors (1).

2971551071 is an equidigital number, since it uses as much as digits as its factorization.

2971551071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22050, while the sum is 38.

The square root of 2971551071 is about 54511.9351243377. The cubic root of 2971551071 is about 1437.6761436177.

The spelling of 2971551071 in words is "two billion, nine hundred seventy-one million, five hundred fifty-one thousand, seventy-one".