655108841 has 2 divisors, whose sum is σ = 655108842. Its totient is φ = 655108840.

The previous prime is 655108759. The next prime is 655108859. The reversal of 655108841 is 148801556.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 633579241 + 21529600 = 25171^2 + 4640^2 .

It is a cyclic number.

It is not a de Polignac number, because 655108841 - 2²⁶ = 587999977 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 655108795 and 655108804.

It is not a weakly prime, because it can be changed into another prime (655128841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327554420 + 327554421.

It is an arithmetic number, because the mean of its divisors is an integer number (327554421).

Almost surely, 2^655108841 is an apocalyptic number.

It is an amenable number.

655108841 is a deficient number, since it is larger than the sum of its proper divisors (1).

655108841 is an equidigital number, since it uses as much as digits as its factorization.

655108841 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38400, while the sum is 38.

The square root of 655108841 is about 25595.0940807023. The cubic root of 655108841 is about 868.5026611509.

The spelling of 655108841 in words is "six hundred fifty-five million, one hundred eight thousand, eight hundred forty-one".