655170541 has 2 divisors, whose sum is σ = 655170542. Its totient is φ = 655170540.

The previous prime is 655170511. The next prime is 655170589. The reversal of 655170541 is 145071556.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 563872516 + 91298025 = 23746^2 + 9555^2 .

It is a cyclic number.

It is not a de Polignac number, because 655170541 - 2¹⁹ = 654646253 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 655170497 and 655170506.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (655170511) 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, 327585270 + 327585271.

It is an arithmetic number, because the mean of its divisors is an integer number (327585271).

Almost surely, 2^655170541 is an apocalyptic number.

It is an amenable number.

655170541 is a deficient number, since it is larger than the sum of its proper divisors (1).

655170541 is an equidigital number, since it uses as much as digits as its factorization.

655170541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21000, while the sum is 34.

The square root of 655170541 is about 25596.2993614311. The cubic root of 655170541 is about 868.5299263058.

The spelling of 655170541 in words is "six hundred fifty-five million, one hundred seventy thousand, five hundred forty-one".