63041861 has 2 divisors, whose sum is σ = 63041862. Its totient is φ = 63041860.

The previous prime is 63041837. The next prime is 63041863. The reversal of 63041861 is 16814036.

63041861 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., 45819361 + 17222500 = 6769^2 + 4150^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63041861 is a prime.

Together with 63041863, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63041863) 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, 31520930 + 31520931.

It is an arithmetic number, because the mean of its divisors is an integer number (31520931).

Almost surely, 2^63041861 is an apocalyptic number.

It is an amenable number.

63041861 is a deficient number, since it is larger than the sum of its proper divisors (1).

63041861 is an equidigital number, since it uses as much as digits as its factorization.

63041861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 63041861 is about 7939.8904904287. The cubic root of 63041861 is about 397.9938321309.

Adding to 63041861 its reverse (16814036), we get a palindrome (79855897).

The spelling of 63041861 in words is "sixty-three million, forty-one thousand, eight hundred sixty-one".