591287141 has 2 divisors, whose sum is σ = 591287142. Its totient is φ = 591287140.

The previous prime is 591287111. The next prime is 591287143. The reversal of 591287141 is 141782195.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 571449025 + 19838116 = 23905^2 + 4454^2 .

It is a cyclic number.

It is not a de Polignac number, because 591287141 - 2¹⁰ = 591286117 is a prime.

It is a super-2 number, since 2×591287141² = 699240966223907762, which contains 22 as substring.

Together with 591287143, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 591287095 and 591287104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (591287143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 295643570 + 295643571.

It is an arithmetic number, because the mean of its divisors is an integer number (295643571).

Almost surely, 2^591287141 is an apocalyptic number.

It is an amenable number.

591287141 is a deficient number, since it is larger than the sum of its proper divisors (1).

591287141 is an equidigital number, since it uses as much as digits as its factorization.

591287141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20160, while the sum is 38.

The square root of 591287141 is about 24316.3965463635. The cubic root of 591287141 is about 839.3301258965.

The spelling of 591287141 in words is "five hundred ninety-one million, two hundred eighty-seven thousand, one hundred forty-one".