63413491 has 2 divisors, whose sum is σ = 63413492. Its totient is φ = 63413490.

The previous prime is 63413477. The next prime is 63413501. The reversal of 63413491 is 19431436.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 63413491 - 2¹¹ = 63411443 is a prime.

It is a zygodrome in base 2.

It is not a weakly prime, because it can be changed into another prime (63413191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31706745 + 31706746.

It is an arithmetic number, because the mean of its divisors is an integer number (31706746).

Almost surely, 2^63413491 is an apocalyptic number.

63413491 is a deficient number, since it is larger than the sum of its proper divisors (1).

63413491 is an equidigital number, since it uses as much as digits as its factorization.

63413491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 31.

The square root of 63413491 is about 7963.2588178459. The cubic root of 63413491 is about 398.7743545690.

The spelling of 63413491 in words is "sixty-three million, four hundred thirteen thousand, four hundred ninety-one".