587215481 has 2 divisors, whose sum is σ = 587215482. Its totient is φ = 587215480.

The previous prime is 587215471. The next prime is 587215483. The reversal of 587215481 is 184512785.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 414529600 + 172685881 = 20360^2 + 13141^2 .

It is a cyclic number.

It is not a de Polignac number, because 587215481 - 2¹⁴ = 587199097 is a prime.

It is a super-2 number, since 2×587215481² = 689644042252122722, which contains 22 as substring.

Together with 587215483, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (587215483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 293607740 + 293607741.

It is an arithmetic number, because the mean of its divisors is an integer number (293607741).

Almost surely, 2^587215481 is an apocalyptic number.

It is an amenable number.

587215481 is a deficient number, since it is larger than the sum of its proper divisors (1).

587215481 is an equidigital number, since it uses as much as digits as its factorization.

587215481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 89600, while the sum is 41.

The square root of 587215481 is about 24232.5293974855. The cubic root of 587215481 is about 837.3991174542.

The spelling of 587215481 in words is "five hundred eighty-seven million, two hundred fifteen thousand, four hundred eighty-one".