655130449 has 2 divisors, whose sum is σ = 655130450. Its totient is φ = 655130448.

The previous prime is 655130417. The next prime is 655130453. The reversal of 655130449 is 944031556.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 552250000 + 102880449 = 23500^2 + 10143^2 .

It is a cyclic number.

It is not a de Polignac number, because 655130449 - 2⁵ = 655130417 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (655130549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327565224 + 327565225.

It is an arithmetic number, because the mean of its divisors is an integer number (327565225).

Almost surely, 2^655130449 is an apocalyptic number.

It is an amenable number.

655130449 is a deficient number, since it is larger than the sum of its proper divisors (1).

655130449 is an equidigital number, since it uses as much as digits as its factorization.

655130449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64800, while the sum is 37.

The square root of 655130449 is about 25595.5161893641. The cubic root of 655130449 is about 868.5122098946.

The spelling of 655130449 in words is "six hundred fifty-five million, one hundred thirty thousand, four hundred forty-nine".