641127587 has 2 divisors, whose sum is σ = 641127588. Its totient is φ = 641127586.

The previous prime is 641127551. The next prime is 641127589. The reversal of 641127587 is 785721146.

641127587 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 641127587 - 2¹² = 641123491 is a prime.

It is a super-2 number, since 2×641127587² = 822089165624885138, which contains 22 as substring.

Together with 641127589, 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 (641127589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 320563793 + 320563794.

It is an arithmetic number, because the mean of its divisors is an integer number (320563794).

Almost surely, 2^641127587 is an apocalyptic number.

641127587 is a deficient number, since it is larger than the sum of its proper divisors (1).

641127587 is an equidigital number, since it uses as much as digits as its factorization.

641127587 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 94080, while the sum is 41.

The square root of 641127587 is about 25320.4973687327. The cubic root of 641127587 is about 862.2796858555.

The spelling of 641127587 in words is "six hundred forty-one million, one hundred twenty-seven thousand, five hundred eighty-seven".