63821059 has 2 divisors, whose sum is σ = 63821060. Its totient is φ = 63821058.

The previous prime is 63821029. The next prime is 63821101. The reversal of 63821059 is 95012836.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63821059 - 2¹³ = 63812867 is a prime.

It is not a weakly prime, because it can be changed into another prime (63821029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31910529 + 31910530.

It is an arithmetic number, because the mean of its divisors is an integer number (31910530).

Almost surely, 2^63821059 is an apocalyptic number.

63821059 is a deficient number, since it is larger than the sum of its proper divisors (1).

63821059 is an equidigital number, since it uses as much as digits as its factorization.

63821059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 63821059 is about 7988.8083591985. The cubic root of 63821059 is about 399.6268582714.

The spelling of 63821059 in words is "sixty-three million, eight hundred twenty-one thousand, fifty-nine".