2000971157 has 2 divisors, whose sum is σ = 2000971158. Its totient is φ = 2000971156.

The previous prime is 2000971103. The next prime is 2000971163. The reversal of 2000971157 is 7511790002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1169571601 + 831399556 = 34199^2 + 28834^2 .

It is a cyclic number.

It is not a de Polignac number, because 2000971157 - 2¹⁰ = 2000970133 is a prime.

It is a super-2 number, since 2×2000971157² = 8007771142291837298, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2000971057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000485578 + 1000485579.

It is an arithmetic number, because the mean of its divisors is an integer number (1000485579).

Almost surely, 2^2000971157 is an apocalyptic number.

It is an amenable number.

2000971157 is a deficient number, since it is larger than the sum of its proper divisors (1).

2000971157 is an equidigital number, since it uses as much as digits as its factorization.

2000971157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4410, while the sum is 32.

The square root of 2000971157 is about 44732.2160975733. The cubic root of 2000971157 is about 1260.1249470869.

The spelling of 2000971157 in words is "two billion, nine hundred seventy-one thousand, one hundred fifty-seven".