577648061 has 2 divisors, whose sum is σ = 577648062. Its totient is φ = 577648060.

The previous prime is 577648031. The next prime is 577648067. The reversal of 577648061 is 160846775.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 529276036 + 48372025 = 23006^2 + 6955^2 .

It is a cyclic number.

It is not a de Polignac number, because 577648061 - 2¹⁸ = 577385917 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (577648067) 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, 288824030 + 288824031.

It is an arithmetic number, because the mean of its divisors is an integer number (288824031).

Almost surely, 2^577648061 is an apocalyptic number.

It is an amenable number.

577648061 is a deficient number, since it is larger than the sum of its proper divisors (1).

577648061 is an equidigital number, since it uses as much as digits as its factorization.

577648061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 282240, while the sum is 44.

The square root of 577648061 is about 24034.3100795509. The cubic root of 577648061 is about 832.8263164187.

The spelling of 577648061 in words is "five hundred seventy-seven million, six hundred forty-eight thousand, sixty-one".