63541477 has 2 divisors, whose sum is σ = 63541478. Its totient is φ = 63541476.

The previous prime is 63541459. The next prime is 63541481. The reversal of 63541477 is 77414536.

63541477 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62742241 + 799236 = 7921^2 + 894^2 .

It is a cyclic number.

It is not a de Polignac number, because 63541477 - 2¹⁹ = 63017189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63541417) 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, 31770738 + 31770739.

It is an arithmetic number, because the mean of its divisors is an integer number (31770739).

Almost surely, 2^63541477 is an apocalyptic number.

It is an amenable number.

63541477 is a deficient number, since it is larger than the sum of its proper divisors (1).

63541477 is an equidigital number, since it uses as much as digits as its factorization.

63541477 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 70560, while the sum is 37.

The square root of 63541477 is about 7971.2907988606. The cubic root of 63541477 is about 399.0424533401.

The spelling of 63541477 in words is "sixty-three million, five hundred forty-one thousand, four hundred seventy-seven".