63141971 has 2 divisors, whose sum is σ = 63141972. Its totient is φ = 63141970.

The previous prime is 63141917. The next prime is 63141989. The reversal of 63141971 is 17914136.

Together with previous prime (63141917) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 63141971 - 2¹⁰ = 63140947 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is equal to p_3737192 and since 63141971 and 3737192 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (63141571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31570985 + 31570986.

It is an arithmetic number, because the mean of its divisors is an integer number (31570986).

Almost surely, 2^63141971 is an apocalyptic number.

63141971 is a deficient number, since it is larger than the sum of its proper divisors (1).

63141971 is an equidigital number, since it uses as much as digits as its factorization.

63141971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4536, while the sum is 32.

The square root of 63141971 is about 7946.1922327616. The cubic root of 63141971 is about 398.2043911165.

The spelling of 63141971 in words is "sixty-three million, one hundred forty-one thousand, nine hundred seventy-one".