587991241 has 2 divisors, whose sum is σ = 587991242. Its totient is φ = 587991240.

The previous prime is 587991221. The next prime is 587991253. The reversal of 587991241 is 142199785.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 576192016 + 11799225 = 24004^2 + 3435^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-587991241 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 587991191 and 587991200.

It is not a weakly prime, because it can be changed into another prime (587991221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 293995620 + 293995621.

It is an arithmetic number, because the mean of its divisors is an integer number (293995621).

Almost surely, 2^587991241 is an apocalyptic number.

It is an amenable number.

587991241 is a deficient number, since it is larger than the sum of its proper divisors (1).

587991241 is an equidigital number, since it uses as much as digits as its factorization.

587991241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 181440, while the sum is 46.

The square root of 587991241 is about 24248.5306977557. The cubic root of 587991241 is about 837.7677129146.

The spelling of 587991241 in words is "five hundred eighty-seven million, nine hundred ninety-one thousand, two hundred forty-one".