655971241 has 2 divisors, whose sum is σ = 655971242. Its totient is φ = 655971240.

The previous prime is 655971233. The next prime is 655971287. The reversal of 655971241 is 142179556.

655971241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 655616025 + 355216 = 25605^2 + 596^2 .

It is a cyclic number.

It is not a de Polignac number, because 655971241 - 2³ = 655971233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 655971194 and 655971203.

It is not a weakly prime, because it can be changed into another prime (655971221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327985620 + 327985621.

It is an arithmetic number, because the mean of its divisors is an integer number (327985621).

Almost surely, 2^655971241 is an apocalyptic number.

It is an amenable number.

655971241 is a deficient number, since it is larger than the sum of its proper divisors (1).

655971241 is an equidigital number, since it uses as much as digits as its factorization.

655971241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 75600, while the sum is 40.

The square root of 655971241 is about 25611.9355184258. The cubic root of 655971241 is about 868.8835995146.

The spelling of 655971241 in words is "six hundred fifty-five million, nine hundred seventy-one thousand, two hundred forty-one".