63243953 has 8 divisors (see below), whose sum is σ = 64022400. Its totient is φ = 62469568.

The previous prime is 63243949. The next prime is 63244001. The reversal of 63243953 is 35934236.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 63243953 - 2² = 63243949 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63243923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39788 + ... + 41346.

It is an arithmetic number, because the mean of its divisors is an integer number (8002800).

Almost surely, 2^63243953 is an apocalyptic number.

It is an amenable number.

63243953 is a deficient number, since it is larger than the sum of its proper divisors (778447).

63243953 is a wasteful number, since it uses less digits than its factorization.

63243953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2031.

The product of its digits is 58320, while the sum is 35.

The square root of 63243953 is about 7952.6066795737. The cubic root of 63243953 is about 398.4186587210.

The spelling of 63243953 in words is "sixty-three million, two hundred forty-three thousand, nine hundred fifty-three".