655507241 has 2 divisors, whose sum is σ = 655507242. Its totient is φ = 655507240.

The previous prime is 655507147. The next prime is 655507243. The reversal of 655507241 is 142705556.

655507241 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 can be written as a sum of positive squares in only one way, i.e., 538240000 + 117267241 = 23200^2 + 10829^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-655507241 is a prime.

Together with 655507243, 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 (655507243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327753620 + 327753621.

It is an arithmetic number, because the mean of its divisors is an integer number (327753621).

Almost surely, 2^655507241 is an apocalyptic number.

It is an amenable number.

655507241 is a deficient number, since it is larger than the sum of its proper divisors (1).

655507241 is an equidigital number, since it uses as much as digits as its factorization.

655507241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42000, while the sum is 35.

The square root of 655507241 is about 25602.8756392715. The cubic root of 655507241 is about 868.6786834751.

The spelling of 655507241 in words is "six hundred fifty-five million, five hundred seven thousand, two hundred forty-one".