63955249 has 8 divisors (see below), whose sum is σ = 66822912. Its totient is φ = 61094880.

The previous prime is 63955247. The next prime is 63955253. The reversal of 63955249 is 94255936.

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 63955249 - 2¹ = 63955247 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63955247) 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, 24109 + ... + 26629.

It is an arithmetic number, because the mean of its divisors is an integer number (8352864).

Almost surely, 2^63955249 is an apocalyptic number.

It is an amenable number.

63955249 is a deficient number, since it is larger than the sum of its proper divisors (2867663).

63955249 is a wasteful number, since it uses less digits than its factorization.

63955249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3647.

The product of its digits is 291600, while the sum is 43.

The square root of 63955249 is about 7997.2025734003. The cubic root of 63955249 is about 399.9067470114.

The spelling of 63955249 in words is "sixty-three million, nine hundred fifty-five thousand, two hundred forty-nine".