641052611 has 2 divisors, whose sum is σ = 641052612. Its totient is φ = 641052610.

The previous prime is 641052593. The next prime is 641052617. The reversal of 641052611 is 116250146.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 641052611 - 2⁶ = 641052547 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (641052617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 320526305 + 320526306.

It is an arithmetic number, because the mean of its divisors is an integer number (320526306).

Almost surely, 2^641052611 is an apocalyptic number.

641052611 is a deficient number, since it is larger than the sum of its proper divisors (1).

641052611 is an equidigital number, since it uses as much as digits as its factorization.

641052611 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 641052611 is about 25319.0167858075. The cubic root of 641052611 is about 862.2460717443.

The spelling of 641052611 in words is "six hundred forty-one million, fifty-two thousand, six hundred eleven".