63954071 has 4 divisors (see below), whose sum is σ = 64048392. Its totient is φ = 63859752.

The previous prime is 63954067. The next prime is 63954083. The reversal of 63954071 is 17045936.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 63954071 - 2² = 63954067 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63954041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46136 + ... + 47501.

It is an arithmetic number, because the mean of its divisors is an integer number (16012098).

Almost surely, 2^63954071 is an apocalyptic number.

63954071 is a deficient number, since it is larger than the sum of its proper divisors (94321).

63954071 is an equidigital number, since it uses as much as digits as its factorization.

63954071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94320.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 63954071 is about 7997.1289223071. The cubic root of 63954071 is about 399.9042916850.

The spelling of 63954071 in words is "sixty-three million, nine hundred fifty-four thousand, seventy-one".