63051971 has 2 divisors, whose sum is σ = 63051972. Its totient is φ = 63051970.

The previous prime is 63051931. The next prime is 63052001. The reversal of 63051971 is 17915036.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 63051971 - 2¹⁸ = 62789827 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (63051931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31525985 + 31525986.

It is an arithmetic number, because the mean of its divisors is an integer number (31525986).

Almost surely, 2^63051971 is an apocalyptic number.

63051971 is a deficient number, since it is larger than the sum of its proper divisors (1).

63051971 is an equidigital number, since it uses as much as digits as its factorization.

63051971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5670, while the sum is 32.

The square root of 63051971 is about 7940.5271235605. The cubic root of 63051971 is about 398.0151063684.

The spelling of 63051971 in words is "sixty-three million, fifty-one thousand, nine hundred seventy-one".