63266641 has 2 divisors, whose sum is σ = 63266642. Its totient is φ = 63266640.

The previous prime is 63266591. The next prime is 63266647. The reversal of 63266641 is 14666236.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47900241 + 15366400 = 6921^2 + 3920^2 .

It is a cyclic number.

It is not a de Polignac number, because 63266641 - 2¹⁵ = 63233873 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 63266597 and 63266606.

It is not a weakly prime, because it can be changed into another prime (63266647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31633320 + 31633321.

It is an arithmetic number, because the mean of its divisors is an integer number (31633321).

Almost surely, 2^63266641 is an apocalyptic number.

It is an amenable number.

63266641 is a deficient number, since it is larger than the sum of its proper divisors (1).

63266641 is an equidigital number, since it uses as much as digits as its factorization.

63266641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 34.

The square root of 63266641 is about 7954.0330021945. The cubic root of 63266641 is about 398.4662956433.

The spelling of 63266641 in words is "sixty-three million, two hundred sixty-six thousand, six hundred forty-one".