63425671 has 2 divisors, whose sum is σ = 63425672. Its totient is φ = 63425670.

The previous prime is 63425669. The next prime is 63425689. The reversal of 63425671 is 17652436.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63425671 - 2¹ = 63425669 is a prime.

Together with 63425669, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63425611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31712835 + 31712836.

It is an arithmetic number, because the mean of its divisors is an integer number (31712836).

Almost surely, 2^63425671 is an apocalyptic number.

63425671 is a deficient number, since it is larger than the sum of its proper divisors (1).

63425671 is an equidigital number, since it uses as much as digits as its factorization.

63425671 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 34.

The square root of 63425671 is about 7964.0235434107. The cubic root of 63425671 is about 398.7998841559.

The spelling of 63425671 in words is "sixty-three million, four hundred twenty-five thousand, six hundred seventy-one".