63952117 has 4 divisors (see below), whose sum is σ = 64037356. Its totient is φ = 63866880.

The previous prime is 63952099. The next prime is 63952127. The reversal of 63952117 is 71125936.

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

It can be written as a sum of positive squares in 2 ways, for example, as 17589636 + 46362481 = 4194^2 + 6809^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63952117 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 (63952127) 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, 41484 + ... + 42997.

It is an arithmetic number, because the mean of its divisors is an integer number (16009339).

Almost surely, 2^63952117 is an apocalyptic number.

It is an amenable number.

63952117 is a deficient number, since it is larger than the sum of its proper divisors (85239).

63952117 is an equidigital number, since it uses as much as digits as its factorization.

63952117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85238.

The product of its digits is 11340, while the sum is 34.

The square root of 63952117 is about 7997.0067525293. The cubic root of 63952117 is about 399.9002188614.

The spelling of 63952117 in words is "sixty-three million, nine hundred fifty-two thousand, one hundred seventeen".