200071591 has 2 divisors, whose sum is σ = 200071592. Its totient is φ = 200071590.

The previous prime is 200071567. The next prime is 200071601. The reversal of 200071591 is 195170002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 200071591 - 2¹¹ = 200069543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200081591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100035795 + 100035796.

It is an arithmetic number, because the mean of its divisors is an integer number (100035796).

Almost surely, 2^200071591 is an apocalyptic number.

200071591 is a deficient number, since it is larger than the sum of its proper divisors (1).

200071591 is an equidigital number, since it uses as much as digits as its factorization.

200071591 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 25.

The square root of 200071591 is about 14144.6665213429. Note that the first 3 decimals coincide. The cubic root of 200071591 is about 584.8733171031.

The spelling of 200071591 in words is "two hundred million, seventy-one thousand, five hundred ninety-one".