63104081 has 2 divisors, whose sum is σ = 63104082. Its totient is φ = 63104080.

The previous prime is 63104053. The next prime is 63104101. The reversal of 63104081 is 18040136.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59043856 + 4060225 = 7684^2 + 2015^2 .

It is a cyclic number.

It is not a de Polignac number, because 63104081 - 2¹⁸ = 62841937 is a prime.

It is a super-2 number, since 2×63104081² = 7964250077709122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (63104011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31552040 + 31552041.

It is an arithmetic number, because the mean of its divisors is an integer number (31552041).

Almost surely, 2^63104081 is an apocalyptic number.

It is an amenable number.

63104081 is a deficient number, since it is larger than the sum of its proper divisors (1).

63104081 is an equidigital number, since it uses as much as digits as its factorization.

63104081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 63104081 is about 7943.8077141885. The cubic root of 63104081 is about 398.1247241737.

The spelling of 63104081 in words is "sixty-three million, one hundred four thousand, eighty-one".