63165243 has 8 divisors (see below), whose sum is σ = 84265488. Its totient is φ = 42087584.

The previous prime is 63165239. The next prime is 63165257. The reversal of 63165243 is 34256136.

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 63165243 - 2² = 63165239 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 63165243.

It is not an unprimeable number, because it can be changed into a prime (63165293) 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, 2605 + ... + 11537.

It is an arithmetic number, because the mean of its divisors is an integer number (10533186).

Almost surely, 2^63165243 is an apocalyptic number.

63165243 is a deficient number, since it is larger than the sum of its proper divisors (21100245).

63165243 is a wasteful number, since it uses less digits than its factorization.

63165243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11293.

The product of its digits is 12960, while the sum is 30.

The square root of 63165243 is about 7947.6564470289. The cubic root of 63165243 is about 398.2533066749.

The spelling of 63165243 in words is "sixty-three million, one hundred sixty-five thousand, two hundred forty-three".