577132649 has 2 divisors, whose sum is σ = 577132650. Its totient is φ = 577132648.

The previous prime is 577132603. The next prime is 577132691. The reversal of 577132649 is 946231775.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 439657024 + 137475625 = 20968^2 + 11725^2 .

It is a cyclic number.

It is not a de Polignac number, because 577132649 - 2²⁰ = 576084073 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (579132649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 288566324 + 288566325.

It is an arithmetic number, because the mean of its divisors is an integer number (288566325).

Almost surely, 2^577132649 is an apocalyptic number.

It is an amenable number.

577132649 is a deficient number, since it is larger than the sum of its proper divisors (1).

577132649 is an equidigital number, since it uses as much as digits as its factorization.

577132649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 317520, while the sum is 44.

The square root of 577132649 is about 24023.5852653179. The cubic root of 577132649 is about 832.5785436330.

The spelling of 577132649 in words is "five hundred seventy-seven million, one hundred thirty-two thousand, six hundred forty-nine".